General terms:
* குரு (Guru): This is a general term for a spiritual teacher or guide, often used for Hindu priests in Tamil.
* அர்ச்சகர் (Archakar): This term refers to a priest who performs rituals and worship in a temple.
* பூசாரி (Poojari): This term is also used for a temple priest, especially in the context of performing daily rituals and offering prayers.
Specific roles:
* சன்யாசி (Sannyasi): This term refers to a renunciate who has left worldly life and dedicated themselves to spiritual pursuits.
* சிவாச்சாரியார் (Sivachariyar): This term is used for a priest who specializes in Shaivite (Shiva-worshipping) traditions.
* விஷ்ணுச்சாரியார் (Vishnuchariyar): This term is used for a priest who specializes in Vaishnavite (Vishnu-worshipping) traditions.
Other relevant terms:
* அய்யா (Aiya): This is a respectful term used to address a priest or any elder.
* சாமி (Sami): This is a general term used for a deity or a religious figure, but it can also be used to address a priest respectfully.
The specific term used for a Tamil priest will depend on the context and the specific traditions they adhere to.