sociopath

/ˈsoʊ.ʃi.əˌpæθ/

IPA: /S OW1 S IY0 OW0 P AE0 TH/

noun
  1. 1

    A person with an antisocial personality disorder, exhibiting antisocial behavior that usually is the result of social and environmental factors in the person's early life.

Source: https://en.wiktionary.org/wiki/sociopath