spiritual leader - a leader in religious or sacred affairs

hoodoo - a practitioner of voodoo

druid - a pre-Christian priest among the Celts of ancient Gaul and Britain and Ireland

flamen - a priest who served a particular deity in ancient Rome

lama - a Tibetan or Mongolian priest of Lamaism

magus - a member of the Zoroastrian priesthood of the ancient Persians

priest-doctor, shaman - in societies practicing shamanism: one acting as a medium between the visible and spirit worlds; practices sorcery for healing or divination

votary - a priest or priestess (or consecrated worshipper) in a non-Christian religion or cult; "a votary of Aphrodite"

Ezra - a Jewish priest and scribe sent by the Persian king to restore Jewish law and worship in Jerusalem