Hazrat Omar bin Khattab The Second Caliph of Islam . Early Life T he mission of the Holy Prophet was still in the early stage. Islam was still weak and helpless. The chiefs of Mecca were up against it. One night the Holy Prophet stood in the Kaaba, lost in thoughts. Presently he raised his hands and turned his eyes heavenward. "Lord!" he prayed, "make Islam strong with either of the two men, Amr bin Hisham or Omar bin Khattab." The prayer was instantly granted. Allah chose Omar to serve Islam. Amr bin Hisham was to die as Abu ...