leader - a person who rules or guides or inspires others

hazan, cantor - the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos

Catholicos - the ecclesiastical title of the leaders of the Nestorian and Armenian churches

clergyman, man of the cloth, reverend - a member of the clergy and a spiritual leader of the Christian Church

Evangelist - (when capitalized) any of the spiritual leaders who are assumed to be authors of the Gospels in the New Testament: Matthew, Mark, Luke, and John

Patriarch - title for the heads of the Eastern Orthodox Churches (in Istanbul and Alexandria and Moscow and Jerusalem)

Bishop of Rome, Catholic Pope, Holy Father, Pontiff, Pope, Roman Catholic Pope, Vicar of Christ - the head of the Roman Catholic Church

non-Christian priest, priest - a spiritual leader in a non-Christian religion

rabbi - spiritual leader of a Jewish congregation; qualified to expound and apply Jewish law

Mahatma Gandhi, Mohandas Karamchand Gandhi, Gandhi - political and spiritual leader during India's struggle with Great Britain for home rule; an advocate of passive resistance (1869-1948)