 he is a well documented saint of Islam , he spread Islam throughout Ethiopia and Somalia after his migration from southern Arabian Hijaz Province.Ar-Rida is the main figure in the "Fath Madinat Harar", an unpublished history of Harar in the 13th century.According to the account, he along with several other religious leaders traveled from the Hijaz region of present-day Saudi Arabia to Harar in 612H (1216 AD).