A priest or priestess is an individual who is authorized to perform the sacred rites, sacrifices, or services of a religion. They act as a mediator between a deity and it's followers.
On Vulcan, priests resided at the Temple of Amonak, as well as at Mount Seleya. (VOY: "Hunters"; ENT: "Kir'Shara")
In 19th century Ireland, the village priest was considered th most prominent member of the community, and was held in the highest regard. (VOY: "Fair Haven")
Sybo was an Argelian who was a descendant of the ancient priestesses of Argelius II. As a result, her ancestral gift was her skill in the art of empathic contact. (TOS: "Wolf in the Fold")
Following the Occupation of Bajor, Bajorans no longer followed their D'jarras. According to Akorem Laan, "Artists have become soldiers, priests have become merchants, and farmers have become politicians." (DS9: "Accession")
List of priests
On planet Alpha 332, Maracu was priestess of the Biluddin volcano. (UK comic: "The Gods Have Come!")