It was
narrated from Abu Dharr that he reached Rabadhah when the
Iqamah for
the prayer had already been given, and there was a slave
leading them
in prayer. It was said:
“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.”