Abu Bakr (name)
(重定向自Abubakar)
Abu Bakr (Arabic: أبو بكر ) was a sahabah, one of the companions of Muhammad and the first Caliph of Islam. His real name was Abdullah or Abul-Kaaba and Abu Bakr was his kunya. Abu Bakr translates as one who does things the earliest, a name given since he was the first adult man to believe in Muhammad's teachings without question or doubt.