Artificial intelligent assistant

malfeasant

malfeasant, a. and n.
  (mælˈfiːzənt)
  Also 9 malfaisant.
  [a. F. malfaisant, f. mal ill, mal-, + faisant, pr. pple. of faire to do.]
  a. adj. Evil-doing. b. n. An evil-doer, a criminal.

1809 E. S. Barrett Setting Sun I. 31 Christians (soi-disant but mal-faisant followers of the mild doctrines of Christ). 1882 Morley R. Cobden xxiv. (1902) 84/1 Malfeasants on board a British ship should not be seized but..demanded from the Consul.

Oxford English Dictionary

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