ETYM Old Eng. fend, find, fiend, feond, fiend, foe, AS. feónd.
An implacable or malicious foe; one who is diabolically wicked or cruel; an infernal being; -- applied specifically to a devil or a demon.
ETYM Latin, from malefacere to do evil; male ill, evil + facere to do. Related to Malice, and Fact.
1. An evil doer; one who commits a crime; one subject to public prosecution and punishment; a criminal.
2. One who does wrong by injuring another, although not a criminal.