This article from the DarulIslamFamily.com website recounts the story of Abu Lubaba (RA), a companion of the Prophet Muhammad (PBUH). It details his involvement in the events surrounding the Banu Qurayza tribe, who broke their treaty with the Muslims during the Battle of the Trench. Abu Lubaba, due to his past ties with the tribe, was asked for advice by them in a moment of crisis and gave them information that compromised the Muslims. Realising his error—a betrayal of trust—he severely punished himself by tying himself to a pillar in the mosque until Allah forgave him, an act highlighting his deep remorse. The narrative culminates with Allah's forgiveness being revealed to the Prophet, who then freed Abu Lubaba, illustrating themes of repentance, divine mercy, and the high standards of integrity expected of the Prophet's companions.