The Book of Jihad and Expeditions
32/4. Chapter:
The prohibition of betrayal
Sahih Muslim
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَعُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالاَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ، عَنْ شُعْبَةَ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لِكُلِّ غَادِرٍ لِوَاءٌ يَوْمَ الْقِيَامَةِ يُعْرَفُ بِهِ " .
Anas reported Allah's Messenger (ﷺ) having said this: There would be a flag for every perfidious person on the Day of Judgment by which he will be recognised.
Reference : Sahih Muslim 1737In-book reference : Book 32, Hadith 17USC-MSA web (English) reference : Book 19, Hadith 4308