He was one of the scribes of the Qur'an. He was born inside the Ka'ba. He was the first one to believe in the prophethood of the Prophet (s) and would worship God with the Prophet (s), he was ultimately assassinated by one of the Kharijites while praying in the Mihrab (the prayer niche) of the Great Mosque of Kufa, and was then buried in Najaf.