Zakaria ibn Idris Ash'ari Qomi or Zakaria ibn Idris ibn Abd-Allah al-Ash'ari al-Qomi (Persian: زکریا بن ادریس اشعری قمی, Arabic: زکریا بن إدریس بن عبدالله الأشعري القمي), known as Abu Jarir (Persian: ابو جریر), was a Shia[1] Muhaddith (scholar of hadith) and one of the companions of Jaʿfar ibn Muḥammad aṣ-Ṣādiq (the sixth Shiite leader), Musa ibn Ja'far al-Kadhim (the seventh Shiite leader), and Ali ibn Musa al-Ridha (the eighth Shiite leader).[2] A group of Shiite elders[3] have considered him one of the influential people in the growth of Islam.[4] Shaykh Tusi, while counting about 3300 narrators and companions of Jaʿfar ibn Muḥammad aṣ-Ṣādiq, has mentioned Zakaria al-Ash'ari.[5]