Ibn ‘Abbas said “The husband of Barirah was a black slave called Mughith. The Prophet ﷺ gave her choice and commanded her to observe the waiting period.”
أَنَّ زَوْجَ بَرِيرَةَ كَانَ عَبْدًا أَسْوَدَ يُسَمَّى مُغِيثًا فَخَيَّرَهَا يَعْنِي النَّبِيَّ ﷺ وَأَمَرَهَا أَنْ تَعْتَدَّ