Sahih Muslim
Sahih Muslim 1838 b
The obligation of obeying leaders in matters that do not involve sin, but it is forbidden to obey them in sinful matters
Arabic hadith text
وَحَدَّثَنَاهُ ابْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، وَعَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ، عَنْ شُعْبَةَ، بِهَذَا الإِسْنَادِ وَقَالَ عَبْدًا حَبَشِيًّا .
Translation
This hadith has been transmitted on the authority of Shu'ba with the same chain of transmitters, and he said
"An Abyssinian slave."