liquidator vs malefactor

liquidator and malefactor both are nouns.

Word	Noun	Adjective	Verb	Adverb
liquidator	Yes	No	No	No
malefactor	Yes	No	No	No

As nouns, malefactor is a hypernym of liquidator; that is, malefactor is a word with a broader meaning than liquidator:

liquidator: a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)
malefactor: someone who has committed a crime or has been legally convicted of a crime

Other hypernyms of liquidator include criminal, crook, felon, outlaw, killer, slayer.

liquidator (noun)	malefactor (noun)
(law) a person (usually appointed by a court of law) who liquidates assets or preserves them for the benefit of affected parties	someone who has committed a crime or has been legally convicted of a crime
a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)