Artificial intelligent assistant

betrayer

betrayer
  (bɪˈtreɪə(r))
  Also 6–7 betraier.
  [f. as prec. + -er1.]
  One who betrays: in various senses of the vb.

1526 Tindale John xiii. 11 For he knewe his betrayer. 1552 Huloet, Betrayer, bewrayer, or trayter. 1678 Wanley Wond. ii. xviii, Shamefacedness [is] many times a..betrayer of the mind. 1738 Warburton Div. Legat. I. 157 Betrayers of the Mysteries were punished capitally. 1767 Fordyce Serm. Yng. Wom. I. iv. 144 She met a betrayer, and lost her honour. 1828 D'Israeli Chas. I, I. viii. 253 The betrayer of his patron in his turn was betrayed.

Oxford English Dictionary

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