"من رد عن عِرض أخيه، رد الله عن وجهه النار يوم القيامة"
Abud-Darda' (May Allah be pleased with him) said: The Prophet (ﷺ) said, "He who defends the honour of his (Muslim) brother, Allah will secure his face against the Fire on the Day of Resurrection." [At-Tirmidhi] .