Artificial intelligent assistant

misgiver

misˈgiver rare.
  [f. misgive v. + -er1.]
  One who misgives.

1625 K. Long tr. Barclay's Argenis ii. iv. 76 Great are the gods portents, but greater farre Our inward feares; all men misgivers are. 1894 Westm. Gaz. 8 Feb. 3/2 The misgivers really hold the situation in their own hands.

Oxford English Dictionary

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