Artificial intelligent assistant

devotioner

deˈvotioner rare.
  [f. devotion + -er2: cf. missioner.]
  A member of a guild of devotion; a devotionary.

1883 Ch. Times 21 Sept. 655/4 The wives of the devotioners [Brethren of ‘the devocyon of the Masse of Ihu.’, at Reading, 1493] were honoured with the highest seats or pews next to the mayor's wife's seat.

Oxford English Dictionary

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