"Whoever protects his brother's honor, Allah protects his face from the Fire on the Day of Resurrection." (Using translation from Tirmidhī 1931)
عَنِ النَّبِيِّ ﷺ قَالَ مَنْ رَدَّ عَنْ عِرْضِ أَخِيهِ رَدَّ اللهُ عَنْ وَجْهِهِ النَّارَ يَوْمَ الْقِيَامَةِ