Muazzin
The Muazzin is the person who recites the Adhan/Azan in the mosque through the microphone and goes to the speakers usually mounted on the higher part of the minarets of the mosque,then it will be heard by the people nearby from the mosque and then the people will pray. The Muazzin is the most notable person in the mosque; he is chosen for his talent and ability in reciting the Adhan beautifully and melodious and loud for Muslims to hear, and he is the one who leads the schedule times for the prayer in the mosque. The Muazzin is a person where he's duty is one of the most important in the mosque, because the mosque relies to him for the calling of the prayer for Muslims to come to the mosque to pray.
Read more about this topic: Adhan