They also often teach in a type of Islamic school known as a madrasah .
Mullahs with varying levels of training lead prayers in mosques , deliver religious sermons , and perform religious ceremonies such as birth rites and funeral services .
Mullahs also often teach in a type of Islamic school known as a madrasah .
Mullahs with varying levels of training lead prayers in mosques , deliver religious sermons , and perform religious ceremonies such as birth rites and funeral services .