wrongdoer

[ rawng-doo-er, -doo-, rong- ]

/ ˈrɔŋˌdu ər, -ˈdu-, ˈrɒŋ- /

a person who does wrong, especially a sinner or transgressor.

Origin of wrongdoer

Middle English word dating back to 1350–1400; see origin at wrong, doer

evildoer, culprit, offender.

Only through measure-for-measure exactness will the wrongdoer be paid back properly and justly.

Numbers Don’t Tell the Mideast Story |Thane Rosenbaum |July 10, 2014 |DAILY BEAST
It is certain that the wrongdoer at one end proves the existence of wrong at the other.

Toilers of the Sea |Victor Hugo
Moreover, I shall be able to trace back the theft to the wrongdoer.

Hector's Inheritance |Horatio Alger
Flmena fyrm, the harbouring or supporting of a wrongdoer or fugitive from justice.

Selections from Early Middle English 1130-1250: Part II: Notes |Various

He thought he saw that through all ages God had made man the instrument of his vengeance on the wrongdoer.

The Bondman |Hall Caine
It is, of course, essential that the wrongdoer must be the defendant's servant.

Commercial Law |Samuel Williston, Richard D. Currier, and Richard W. Hill

wrongdoer

/ (ˈrɒŋˌduːə) /

a person who acts immorally or illegally