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tortfeasor

American  
[tawrt-fee-zer, -zawr, -fee-] / ˈtɔrtˈfi zər, -zɔr, -ˌfi- /
Or tort-feasor

noun

Law.
  1. a person who commits a tort.


Etymology

Origin of tortfeasor

1650–60; < Anglo-French tortfesor wrongdoer ( French tortfaiseur ). See tort, feasance, -or 2