diff --git a/backend/app/models/user.py b/backend/app/models/user.py
index ff48caa..9954813 100644
--- a/backend/app/models/user.py
+++ b/backend/app/models/user.py
@@ -19,3 +19,14 @@ class User(Base):
     sessions = relationship("Session", back_populates="user", cascade="all, delete-orphan")
     worlds = relationship("World", back_populates="owner")
     assets = relationship("Asset", back_populates="owner")
+    sent_messages = relationship("Message", back_populates="sender")
+    reported_messages = relationship(
+        "MessageReport",
+        foreign_keys="MessageReport.reporter_id",
+        back_populates="reporter",
+    )
+    moderated_reports = relationship(
+        "MessageReport",
+        foreign_keys="MessageReport.moderator_id",
+        back_populates="moderator",
+    )