malefaction

enUK

mal·e·fac·tor

M0058900 (măl′ə-făk′tər)n.1. One who has committed a crime; a criminal.2. A wrongdoer or evildoer.
[Middle English malefactour, from Latin malefactor, from malefacere, to do wrong : male, ill; see mel- in Indo-European roots + facere, to do; see dhē- in Indo-European roots.]
mal′e·fac′tion (-făk′shən) n.

mal•e•fac•tion

(ˌmæl əˈfæk ʃən)

n. an evil deed; wrongdoing. [1595–1605; malefac (tor) + -tion]