Artificial intelligent assistant

deprecator

deprecator
  (ˈdɛprɪkeɪtə(r))
  [a. L. dēprecātor, agent-n. from L. dēprecārī to deprecate.]
  One who deprecates; a petitioner (obs.).

1656 Trapp Comm. John xiv. 16 And he shall give you another Comforter. Or, pleader, deprecator, advocate. 1794 T. Taylor Pausanias I. 220 That they should propitiate Jupiter, and employ æacus..as their deprecator.

Oxford English Dictionary

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