1. (noun) one bound by vows to a religion or life of worship or service

• religious

2. (noun) a priest or priestess (or consecrated worshipper) in a non-Christian religion or cult

• non-christian priest
• priest

3. (noun) a devoted (almost religiously so) adherent of a cause or person or activity

• adherent
• disciple

1. (noun) a priest or priestess (or consecrated worshipper) in a non-Christian religion or cult

• bacchant
• bacchante
• vestal virgin