Sirappuli Nayanar is described to have served the devotees of a Hindu god who is the Supreme Being within what tradition?
Sirappuli Nayanar:  Sirappuli Nayanar is described to have served the devotees of the god Shiva and worshipped the god with various ritual practices. Shiva:  He is the Supreme Being within Shaivism, one of the major traditions within contemporary Hinduism.
Shaivism