Noah Webster's Dictionary (n.) One who is wholly devoted; esp., one given wholly to religion; one who is superstitiously given to religious duties and ceremonies; a bigot.

Multi-Version Concordance Devotee (1 Occurrence) Acts 19:35 And the public clerk having quieted the multitude, saith, 'Men, Ephesians, why, who is the man that doth not know that the city of the Ephesians is a devotee of the great goddess Artemis, and of that which fell down from Zeus? (YLT)