Noun
One who injures another, or who does wrong.
One who commits a tort or trespass; a trespasser; a tort feasor.
Source: Webster's dictionaryA wrongdoer is often a man who has left something undone, not always one who has done something. Marcus Aurelius
Danger invites rescue. ... The wrongdoer may not have foreseen the coming of a deliverer. He is accountable as if he had. Benjamin N. Cardozo
The pacifist is as surely a traitor to his country and to humanity as is the most brutal wrongdoer. Theodore Roosevelt
Our political tradition sets great store by the generalized symbol of evil. This is the wrongdoer whose wrongdoing will be taken by the public to be the secret propensity of a whole community or class. John Kenneth Galbraith
The wrongdoer is more unfortunate than the man wronged. Democritus
The wrongdoer forgets, but not the wronged. African Proverb