Hadithcore
Riyad as-Salihin, 1559

Ibn Mas'ud (May Allah be pleased with him) reported:

The Messenger of Allah (ﷺ) said, "Reviling a Muslim is Fusuq (disobedience of Allah) and killing him is (tantamount to) disbelief." <b>[Al-Bukhari and Muslim]</b>.

وعن ابن مسعود رضي الله عنه قال‏:‏ قال رسول الله صلى الله عليه وسلم ‏:‏ ‏

‏سباب المسلم فسوق، وقتاله كفر‏

‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏‏.‏

References1 variant
In-Book Reference
Book 17, Hadith 49
Sharh · explanationclick to expand
<b>Guidance from the Hadith:</b><br> 1) Highlighting the great status of the Muslim’s rights, by stating that whoever insults a Muslim unrightfully has committed Fusūq.<br> 2) Fighting a Muslim is an act of disbelief, but this does not necessarily entail that the doer is judged as a disbeliever.
Related hadiths4
Compare isnād across 4 related chains →