Sunan Abi Dawud General Behavior (Kitab Al-Adab) al-Hakm bin Nafi', Abu al-Yaman الحكم بن نافع أبو اليمان الحمصي Muhammad bin Awf bin Sufyan محمد بن عوف بن سفيان الطائي Nawful bin Masahiq bin 'Abdullah نوفل بن مساحق بن عبد الله Sa'id bin Zayd Shu'aib bin Abi Hamza شعيب بن أبي حمزة Sahih The Messenger of Allah (ﷺ) was asked: Messenger of Allah! What is back-biting? He replied: It is saying something about your brother which he would dislike. He was asked again: Tell me how the matter stands if what I say about my brother is true? He replied: If what you say of him is true, you have slandered him, and if what you say of him is not true, you have reviled him. https://parallelquran.com/hadith/sunan-abi-dawud-4874/