“This is Abu Dharr,” so he (the slave) started to move back. But Abu Dharr said: “My close friend (i.e., the Prophet ﷺ) told me to listen and obey, even if (the leader was) an Ethiopian slave with amputated limbs.”
أَنَّهُ انْتَهَى إِلَى الرَّبَذَةِ وَقَدْ أُقِيمَتِ الصَّلاَةُ فَإِذَا عَبْدٌ يَؤُمُّهُمْ فَقِيلَ هَذَا أَبُو ذَرٍّ فَذَهَبَ يَتَأَخَّرُ فَقَالَ أَبُو ذَرٍّ أَوْصَانِي خَلِيلِي ﷺ أَنْ أَسْمَعَ وَأُطِيعَ وَإِنْ كَانَ عَبْدًا حَبَشِيًّا مُجَدَّعَ الأَطْرَافِ