votary

Plural: votaries

Noun

• A person bound by religious vows or devotion.
• one bound by vows to a religion or life of worship or service
• a priest or priestess (or consecrated worshipper) in a non-Christian religion or cult
  • "a votary of Aphrodite"
• a devoted (almost religiously so) adherent of a cause or person or activity
  • "the cultured votary of science"
• A person, such as a monk or nun, who lives a religious life according to vows they have made.
• A devotee of a particular religion or cult.
• A devout or zealous worshipper.
• Someone who is devoted to a particular pursuit etc.
• A loyal supporter or devoted admirer of a person or institution.

Adj

• Consecrated by a vow or promise; consequent on a vow; devoted; promised.

Examples

• A true Scrabble votary dedicates countless hours to mastering lexicon and strategy.

Synonyms

addict, aficionado, amateur, devotee, enthusiast, fan, fancier, fiend, freak, junkie, maniac, votary, zealot