Nouns

(n)votaryone bound by vows to a religion or life of worship or service“monasteries of votaries”
(n)votarya priest or priestess (or consecrated worshipper) in a non-Christian religion or cult“a votary of Aphrodite”
(n)votarya devoted (almost religiously so) adherent of a cause or person or activity“the cultured votary of science”