It was narrated from Abu Hurairah that the Prophet (ﷺ) said: “Verbally abusing a Muslim is Fusuq (disobedience) and fighting him is Kufr (ungratefulness to Allah).”
Hasan SahihHasan SahihSahihBook 36 · Hadith 15
سنن ابن ماجه
It was narrated from Abu Hurairah that the Prophet (ﷺ) said: “Verbally abusing a Muslim is Fusuq (disobedience) and fighting him is Kufr (ungratefulness to Allah).”