diff --git a/src/main/java/minevalley/core/api/Registrant.java b/src/main/java/minevalley/core/api/Registrant.java
index 9aea028c..36c3fb83 100644
--- a/src/main/java/minevalley/core/api/Registrant.java
+++ b/src/main/java/minevalley/core/api/Registrant.java
@@ -1,5 +1,6 @@
 package minevalley.core.api;
 
+import minevalley.core.api.corporations.Member;
 import minevalley.core.api.economy.AccountUser;
 import minevalley.core.api.economy.BankAccount;
 import minevalley.core.api.mail.Parcel;
@@ -58,6 +59,8 @@ default String getCroppedName() {
 
     List<AccountUser> getRelatedAccountUsers();
 
+    List<Member> getRelatedGroupMembers();
+
     /**
      * Gets the address of this registrant.
      * <br>