Villain 

/ˈvɪlən/ 

noun

1. a wicked or malevolent person.

2.(in a novel, film, comic book) the main evil character and antagonist to the hero

3.(theatrical) pantomime and prone to melodrama.

4.(often jocular) a mischievous person; rogue.

5.(british slang), rascal, scoundrel, bounder. 

6.(history) a variant spelling of villein

7.(obsolete) an uncouth person; boor. 

Derived Forms 

villainess, noun:feminine 

Word Origin

From Old French vilein serf, from Late Latin vīllānus worker on a country estate, from Latin: villa