Question: who is muadh ibn jabal?
Answer: Muadh ibn Jabal (Arabic: مُعاذ بن جبل‎; 603 – 639) was a sahabi (companion) of the Islamic prophet Muhammad. Muadh was an Ansar of Banu Khazraj and compiled the Quran with five companions while Muhammad was still alive. He was known as the one with a lot of knowledge.