Narrator:Abdullah ibn Mas‘ūd
وَعَنْ اِبْنِ مَسْعُودٍ - رضى الله عنه - قَالَ: قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ سِبَابُ اَلْمُسْلِمِ فُسُوقٌ, وَقِتَالُهُ كُفْرٌ } مُتَّفَقٌ عَلَيْهِ. 1 .
1 - صحيح. رواه البخاري (6044) ومسلم (64).
Ibn Mas'ud (RAA) narrated that the Messenger of Allah (ﷺ) said:
insulting a Muslim is disobedience to Allah, and fighting with him is Kufr (disbelief).” Agreed upon.
Reported by Al-Bukhari (No. 48, 6044, 7076), Muslim (No. 64a), At-Tirmidhi (No. 1983, 2635), An-Nasa’i (No. 4105, 4107, 4108, 4109, 4110, 4111, 4112), Ibn Majah (No. 69, 3939) and Ahmad (No. 3465, 3708, 3916, 4115). Cited in Bulugh al-Maram (No. 1487).