Abstract
The purpose of the research is to know the role of the companion Abu Ayyub al-Ansari (may Allah pleased him) at the time of the Islamic mission and the the orthodox caliphate and the Umayyad era. He is one of the leading believer who carried the message and struggled to spread Islam. Abu Ayyub (may Allah pleased him) Muhammad (peace and blessings of Allaah be upon him) and jihad in the name of Allah with self and money . .