1.What was the name of the 2nd Muazzin of Islam? 2.was he blind? 3.And is he being referred to in Surah 'Abasa?

Abdullah ibn Umme Maktoom (RA) was a blind Sahabi. He is being referred to in the third verse of Surah Abasa. He was also appointed as a Muazzin by Rasulullah (Salla Allahu alayhi wa sallam).

and Allah Ta'ala Knows Best

Mufti Ebrahim Desai