Artificial intelligent assistant

rescusser

ˈrescusser Law. rare.
  Also 8–9 -or.
  [f. as prec. + -er1, -or.]
  One who makes a rescue.

1632 Star Chamb. Cases (Camden) 130 He is charged..for suinge the rescussers, and for suing the Sheriffes bondes of appearance upon some of them. 1704 J. Harris Lex. Techn. I, Rescussor, is he that commits such a Rescous.

Oxford English Dictionary

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