Sunni historians claim that he often led the congregation in the public prayers at Medina  and led a 632  hajj, but Shiite traditions are less impressed.
This "khalifat rasul Allah's" first task was to counter the various Ridda that constituted the "Wars of Apostasy". Often called "siddiq", or truthful, this wealthy merchant was compassionate, purchasing the freedom of slaves like Bilal the black who became the well-known "Muazzin" at the Prophet's Mosque. Sunni historians claim that he often led the congregation in the public prayers at Medina  and led a 632  hajj, but Shiite traditions are less impressed. The Ansar and Meccans unwillingly accepted this man, imposed in a coup d'etat, as sole successor of the Prophet. FTP, name this dad of Aisha and father-in-law of Mohammed, the first caliph.
This "khalifat rasul Allah's" first task was to counter the various Ridda that constituted the "Wars of Apostasy".
Abu Bakr