Sahih al-Bukhari 6177

Arabic

حَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ عُبَيْدِ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏ "‏ الْغَادِرُ يُرْفَعُ لَهُ لِوَاءٌ يَوْمَ الْقِيَامَةِ، يُقَالُ هَذِهِ غَدْرَةُ فُلاَنِ بْنِ فُلاَنٍ ‏"‏‏.‏

English translation

Narrated Ibn `Umar:The Prophet (ﷺ) said, "For every betrayer (perfidious person), a flag will be raised on the Day of Resurrection, and it will be announced (publicly) 'This is the betrayal (perfidy) of so-and-so, the son of so-and-so

Reference: Sahih al-Bukhari 6177, Book of Good Manners and Form (Al-Adab). English translation by Dr. Muhammad Muhsin Khan.