H 302 - It is narrated that he was the representative of Imam Ja’far Sadiq (a.s) for twenty years and during this period no one came to know that he is an agent of the Imam. He was a very religious and noble man, although Abdur Rahman bin Hajjaj was also the representative of Imam Ja’far Sadiq (a.s) and he passed away during the period of Imam Ali Ridha (a.s).