diff --git a/src/creatures/players/grouping/guild.cpp b/src/creatures/players/grouping/guild.cpp
index aca512f28e3..10c96910c06 100644
--- a/src/creatures/players/grouping/guild.cpp
+++ b/src/creatures/players/grouping/guild.cpp
@@ -14,7 +14,7 @@
 
 void Guild::addMember(const std::shared_ptr<Player> &player) {
 	membersOnline.push_back(player);
-	for (auto member : getMembersOnline()) {
+	for (const auto& member : getMembersOnline()) {
 		g_game().updatePlayerHelpers(member);
 	}
 }
diff --git a/src/creatures/players/grouping/guild.hpp b/src/creatures/players/grouping/guild.hpp
index 834eb03252c..82b0a7367ea 100644
--- a/src/creatures/players/grouping/guild.hpp
+++ b/src/creatures/players/grouping/guild.hpp
@@ -32,9 +32,10 @@ class Guild : public Bankable {
 	void addMember(const std::shared_ptr<Player> &player);
 	void removeMember(const std::shared_ptr<Player> &player);
 
-	bool isGuild() {
+	bool isGuild() override {
 		return true;
 	}
+
 	void setOnline(bool value) override {
 		online = value;
 	}
diff --git a/src/creatures/players/grouping/party.cpp b/src/creatures/players/grouping/party.cpp
index 880fc77594f..d62f0312622 100644
--- a/src/creatures/players/grouping/party.cpp
+++ b/src/creatures/players/grouping/party.cpp
@@ -7,6 +7,8 @@
  * Website: https://docs.opentibiabr.com/
  */
 
+#include <utility>
+
 #include "pch.hpp"
 
 #include "creatures/players/grouping/party.hpp"
@@ -47,23 +49,23 @@ void Party::disband() {
 	currentLeader->sendCreatureSkull(currentLeader);
 	currentLeader->sendTextMessage(MESSAGE_PARTY_MANAGEMENT, "Your party has been disbanded.");
 
-	for (auto invitee : getInvitees()) {
+	for (const auto& invitee : getInvitees()) {
 		invitee->removePartyInvitation(getParty());
 		currentLeader->sendCreatureShield(invitee);
 	}
 	inviteList.clear();
 
 	auto members = getMembers();
-	for (auto member : members) {
+	for (const auto& member : members) {
 		member->setParty(nullptr);
 		member->sendClosePrivate(CHANNEL_PARTY);
 		member->sendTextMessage(MESSAGE_PARTY_MANAGEMENT, "Your party has been disbanded.");
 	}
 
-	for (auto member : members) {
+	for (const auto& member : members) {
 		g_game().updatePlayerShield(member);
 
-		for (auto otherMember : members) {
+		for (const auto& otherMember : members) {
 			otherMember->sendCreatureSkull(member);
 		}
 
@@ -132,7 +134,7 @@ bool Party::leaveParty(std::shared_ptr<Player> player) {
 	g_game().updatePlayerShield(player);
 	g_game().updatePlayerHelpers(player);
 
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		member->sendCreatureSkull(player);
 		player->sendPlayerPartyIcons(member);
 		member->sendPartyCreatureUpdate(player);
@@ -185,12 +187,12 @@ bool Party::passPartyLeadership(std::shared_ptr<Player> player) {
 	updateSharedExperience();
 	updateTrackerAnalyzer();
 
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		member->sendPartyCreatureShield(oldLeader);
 		member->sendPartyCreatureShield(player);
 	}
 
-	for (auto invitee : getInvitees()) {
+	for (const auto& invitee : getInvitees()) {
 		invitee->sendCreatureShield(oldLeader);
 		invitee->sendCreatureShield(player);
 	}
@@ -231,7 +233,7 @@ bool Party::joinParty(const std::shared_ptr<Player> &player) {
 
 	g_game().updatePlayerShield(player);
 
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		member->sendCreatureSkull(player);
 		member->sendPlayerPartyIcons(player);
 		player->sendPlayerPartyIcons(member);
@@ -282,7 +284,7 @@ bool Party::removeInvite(const std::shared_ptr<Player> &player, bool removeFromP
 	if (empty()) {
 		disband();
 	} else {
-		for (auto member : getMembers()) {
+		for (const auto& member : getMembers()) {
 			g_game().updatePlayerHelpers(member);
 		}
 
@@ -332,7 +334,7 @@ bool Party::invitePlayer(const std::shared_ptr<Player> &player) {
 
 	inviteList.push_back(player);
 
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		g_game().updatePlayerHelpers(member);
 	}
 
@@ -359,8 +361,8 @@ void Party::updateAllPartyIcons() {
 		return;
 	}
 	auto members = getMembers();
-	for (auto member : members) {
-		for (auto otherMember : members) {
+	for (const auto& member : members) {
+		for (const auto& otherMember : members) {
 			member->sendPartyCreatureShield(otherMember);
 		}
 
@@ -376,14 +378,14 @@ void Party::broadcastPartyMessage(MessageClasses msgClass, const std::string &ms
 	if (!leader) {
 		return;
 	}
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		member->sendTextMessage(msgClass, msg);
 	}
 
 	leader->sendTextMessage(msgClass, msg);
 
 	if (sendToInvitations) {
-		for (auto invitee : getInvitees()) {
+		for (const auto& invitee : getInvitees()) {
 			invitee->sendTextMessage(msgClass, msg);
 		}
 	}
@@ -454,14 +456,14 @@ void Party::shareExperience(uint64_t experience, std::shared_ptr<Creature> targe
 	g_events().eventPartyOnShareExperience(getParty(), shareExperience);
 	g_callbacks().executeCallback(EventCallback_t::partyOnShareExperience, &EventCallback::partyOnShareExperience, getParty(), shareExperience);
 
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		member->onGainSharedExperience(shareExperience, target);
 	}
 	leader->onGainSharedExperience(shareExperience, target);
 }
 
 bool Party::canUseSharedExperience(std::shared_ptr<Player> player) {
-	return getMemberSharedExperienceStatus(player) == SHAREDEXP_OK;
+	return getMemberSharedExperienceStatus(std::move(player)) == SHAREDEXP_OK;
 }
 
 SharedExpStatus_t Party::getMemberSharedExperienceStatus(std::shared_ptr<Player> player) {
@@ -473,7 +475,6 @@ SharedExpStatus_t Party::getMemberSharedExperienceStatus(std::shared_ptr<Player>
 		return SHAREDEXP_EMPTYPARTY;
 	}
 
-	uint32_t highestLevel = getHighestLevel();
 	uint32_t minLevel = getMinLevel();
 	if (player->getLevel() < minLevel) {
 		return SHAREDEXP_LEVELDIFFTOOLARGE;
@@ -498,7 +499,7 @@ uint32_t Party::getHighestLevel() {
 	}
 
 	uint32_t highestLevel = leader->getLevel();
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		if (member->getLevel() > highestLevel) {
 			highestLevel = member->getLevel();
 		}
@@ -516,7 +517,7 @@ uint32_t Party::getLowestLevel() {
 		return 0;
 	}
 	uint32_t lowestLevel = leader->getLevel();
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		if (member->getLevel() < lowestLevel) {
 			lowestLevel = member->getLevel();
 		}
@@ -548,7 +549,7 @@ SharedExpStatus_t Party::getSharedExperienceStatus() {
 		return leaderStatus;
 	}
 
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		SharedExpStatus_t memberStatus = getMemberSharedExperienceStatus(member);
 		if (memberStatus != SHAREDEXP_OK) {
 			return memberStatus;
@@ -617,7 +618,7 @@ void Party::updatePlayerStatus(std::shared_ptr<Player> player) {
 	}
 
 	int32_t maxDistance = g_configManager().getNumber(PARTY_LIST_MAX_DISTANCE, __FUNCTION__);
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		bool condition = (maxDistance == 0 || (Position::getDistanceX(player->getPosition(), member->getPosition()) <= maxDistance && Position::getDistanceY(player->getPosition(), member->getPosition()) <= maxDistance));
 		if (condition) {
 			showPlayerStatus(player, member, true);
@@ -641,7 +642,7 @@ void Party::updatePlayerStatus(std::shared_ptr<Player> player, const Position &o
 
 	int32_t maxDistance = g_configManager().getNumber(PARTY_LIST_MAX_DISTANCE, __FUNCTION__);
 	if (maxDistance != 0) {
-		for (auto member : getMembers()) {
+		for (const auto& member : getMembers()) {
 			bool condition1 = (Position::getDistanceX(oldPos, member->getPosition()) <= maxDistance && Position::getDistanceY(oldPos, member->getPosition()) <= maxDistance);
 			bool condition2 = (Position::getDistanceX(newPos, member->getPosition()) <= maxDistance && Position::getDistanceY(newPos, member->getPosition()) <= maxDistance);
 			if (condition1 && !condition2) {
@@ -670,7 +671,7 @@ void Party::updatePlayerHealth(std::shared_ptr<Player> player, std::shared_ptr<C
 	int32_t maxDistance = g_configManager().getNumber(PARTY_LIST_MAX_DISTANCE, __FUNCTION__);
 	auto playerPosition = player->getPosition();
 	auto leaderPosition = leader->getPosition();
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		auto memberPosition = member->getPosition();
 		bool condition = (maxDistance == 0 || (Position::getDistanceX(playerPosition, memberPosition) <= maxDistance && Position::getDistanceY(playerPosition, memberPosition) <= maxDistance));
 		if (condition) {
@@ -690,7 +691,7 @@ void Party::updatePlayerMana(std::shared_ptr<Player> player, uint8_t manaPercent
 	}
 
 	int32_t maxDistance = g_configManager().getNumber(PARTY_LIST_MAX_DISTANCE, __FUNCTION__);
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		bool condition = (maxDistance == 0 || (Position::getDistanceX(player->getPosition(), member->getPosition()) <= maxDistance && Position::getDistanceY(player->getPosition(), member->getPosition()) <= maxDistance));
 		if (condition) {
 			member->sendPartyPlayerMana(player, manaPercent);
@@ -709,7 +710,7 @@ void Party::updatePlayerVocation(std::shared_ptr<Player> player) {
 	}
 
 	int32_t maxDistance = g_configManager().getNumber(PARTY_LIST_MAX_DISTANCE, __FUNCTION__);
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		bool condition = (maxDistance == 0 || (Position::getDistanceX(player->getPosition(), member->getPosition()) <= maxDistance && Position::getDistanceY(player->getPosition(), member->getPosition()) <= maxDistance));
 		if (condition) {
 			member->sendPartyPlayerVocation(player);
@@ -727,7 +728,7 @@ void Party::updateTrackerAnalyzer() {
 		return;
 	}
 
-	for (auto member : getMembers()) {
+	for (const auto& member : getMembers()) {
 		member->updatePartyTrackerAnalyzer();
 	}
 
diff --git a/src/creatures/players/grouping/party.hpp b/src/creatures/players/grouping/party.hpp
index a356d1a032b..a694424e1a7 100644
--- a/src/creatures/players/grouping/party.hpp
+++ b/src/creatures/players/grouping/party.hpp
@@ -105,7 +105,7 @@ class Party : public SharedObject {
 	void reloadPrices();
 
 	std::shared_ptr<PartyAnalyzer> getPlayerPartyAnalyzerStruct(uint32_t playerId) const {
-		if (auto it = std::find_if(membersData.begin(), membersData.end(), [playerId](const std::shared_ptr<PartyAnalyzer> preyIt) {
+		if (auto it = std::find_if(membersData.begin(), membersData.end(), [playerId](const std::shared_ptr<PartyAnalyzer>& preyIt) {
 				return preyIt->id == playerId;
 			});
 			it != membersData.end()) {
diff --git a/src/creatures/players/grouping/team_finder.hpp b/src/creatures/players/grouping/team_finder.hpp
index 123ce7c07d8..9fafbd03227 100644
--- a/src/creatures/players/grouping/team_finder.hpp
+++ b/src/creatures/players/grouping/team_finder.hpp
@@ -1,3 +1,5 @@
+#include <utility>
+
 /**
  * Canary - A free and open-source MMORPG server emulator
  * Copyright (©) 2019-2024 OpenTibiaBR <opentibiabr@outlook.com>
@@ -31,7 +33,7 @@ class TeamFinder {
 		hunt_area(initHunt_area),
 		questID(initQuestID),
 		leaderGuid(initLeaderGuid),
-		membersMap(initMembersMap) { }
+		membersMap(std::move(initMembersMap)) { }
 	virtual ~TeamFinder() = default;
 
 	uint16_t minLevel = 0;