Abu Hajal Muslim ibn Awsaja was a companion of what prophet who was the founder of islam, and who united Arabia into a single Muslim polity?
Abu Hajal Muslim ibn Awsaja Abu Hajal Muslim ibn Awsaja (Arabic: ابوحَجَل مسلم بن عوسجه الأسدي‎ ‎ ) was a companion of Islamic Prophet Muhammad. He assisted Muslim ibn Aqeel in Kufa. Then he joined Husayn ibn Ali army with his family. He was killed in battle of Karbala.
Kumayl ibn Ziyad Kumayl bin Ziyad an-Nakha'i (Arabic: كُميل بن زياد النخعي‎ ‎ ) was among the most loyal companions of Imam Ali Ibn Abi Talib. Moreover, Kumayl occupies a prominent position in Shia Islam. Converting to Islam during the time of Islamic prophet Muhammad, he rose to a position of prominence during the caliphates of Uthman and Ali. In the caliphate of Ali, Kumayl flourished and served him in the most disciplined of ways. However, he is recognized for his pious and humble nature as well as preserving Imam Ali's teachings. Kumayl is best known for the "du'a" (supplication) of Prophet Khidr, which is commonly known by the name "du'a Kumayl."