Hadith.4327 - Hafs ibn Umar narrated from Abu Abdillah عليه السلام that the Messenger of Allah سبحانه وتعالى (peace be upon him and his family) was asked: "What is the expiation for backbiting?"
Imam عليه السلام said: "You should seek forgiveness for the one you have backbitten, just as you mentioned him."
