Born in less influential clan Banu Taym, pre-Islamic name was Abdul Ka'bah which was later changed into Abdullah, close friend of Prophet Muhammad (PBUH), first Muslim adult male to accept Islam, preached Islam and influenced others to convert, remained loyal to Prophet Muhammad (PBUH), accompanied Prophet Muhammad (PBUH) on the Hijra, fought in battles, appointed first Amir-e-Hajj, led prayers when Prophet Muhammad (PBUH) was ill, calmed the faithful on the death of Prophet Muhammad (PBUH)