mal·e·fac·tor
noun/ˈmælɪfæktə(r)/
/ˈmælɪfæktər/
(formal)- a person who does wrong, illegal or very bad things
犯罪分子；作恶的人；道德败坏的人 Word Originlate Middle English: from Latin, from malefact- ‘done wrong’, from the verb malefacere, from male ‘ill’ + facere ‘do’.