Slayer

A Slayer is an individual who... well, slays things. Kills 'em. Dead. In fantasy settings one who slays plies their craft against a wide variety of critters such as dragons, giants, trolls, etc. They are usually knights or some other type of righteous and heroic archetype and the ability to slay an enemy earns them great reward or reknown amongst his or her people.

The term Slayer has been most popualarly applied however to the WB Network/UPN television series Buffy the Vampire Slayer, which aired for seven seasons from 1997-2003. There have been several Slayers featured on the show, but the primary character is the program's titular hero, Buffy Summers.