sentences:  Somali was the most commonly used language of government and social life while Arabic was most prominently used for religious studies.The most famous Somali scholar of Islam from the Ajuraan period is Sheikh Hussein (saint) of Merca , sheikh Hussein was born in Merca one of the power jurisdiction and cultural centers of Ajuran Empire.And is credited for converting the Sidamo people living in the area of what is now the Bale Province, Ethiopia to Islam .