The first Mu'adh-Dhin in Islam is
Amr
Bilal
Hamzah
Maysarah
Correct answer is B
The first Mu'adh-Dhin in Islam is Bilal. Bilal ibn Rabah was a companion of the Prophet Muhammad and the first man to call Muslims to prayer, known as the Adhan, making him the first Mu'adh-Dhin in Islam.