vo·ta·ry /ˈvotəri/
  熱心者,崇拜者,支持者,信徒
  Vo·ta·ry a.  Consecrated by a vow or promise; consequent on a vow; devoted; promised.
     Votary resolution is made equipollent to custom.   --Bacon.
  Vo·ta·ry, n.; pl. Votaries  One devoted, consecrated, or engaged by a vow or promise; hence, especially, one devoted, given, or addicted, to some particular service, worship, study, or state of life.  “You are already love's firm votary.”
     'T was coldness of the votary, not the prayer, that was in fault.   --Bp. Fell.
     But thou, my votary, weepest thou?   --Emerson.
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  votary
       n 1: one bound by vows to a religion or life of worship or
            service; "monasteries of votaries"
       2: a priest or priestess (or consecrated worshipper) in a
          non-Christian religion or cult; "a votary of Aphrodite"
       3: a devoted (almost religiously so) adherent of a cause or
          person or activity; "the cultured votary of science"