1-Before Conversion to Islam.2-Conversion to Islam.2.1-Freedom.3-Bond of Brotherhood.4-In the Words of the Prophet (s) and Imams (a).5-Important Activities.5.1-In Battles.5.2-Disagreement with the Event of Saqifa.5.3-Governor of al-Madain.6-Family.7-Demise.8-Notes.9-References.