(Imām Bukhārī narrates): Muhammad ibn Abān narrated to us, he said: Ghundar narrated to us, from Shu'bah, from Abī al-Tayyāh, he heard Anas ibn Mālik, may Allāh be pleased with him, he narrated that:
the Prophet ﷺ said to Abū Dharr, may Allāh be pleased with him: Listen and obey, even for a Habashī, whose head is like a raisin.
حَدَّثَنَا مُحَمَّدُ بْنُ أَبَانَ، حَدَّثَنَا غُنْدَرٌ، عَنْ شُعْبَةَ، عَنْ أَبِي التَّيَّاحِ، أَنَّهُ سَمِعَ أَنَسَ بْنَ مَالِكٍ، قَالَ النَّبِيُّ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ لِأَبِي ذَرٍّ: «اسْمَعْ وَأَطِعْ وَلَوْ لِحَبَشِيٍّ كَأَنَّ رَأْسَهُ زَبِيبَةٌ»
Reference: Sahih Al Bukhari 696