Jedi

Jedi is a term used to describe what is essentialy a knight or holy warrior in the star wars universe, who helps maintain the order of the glaxy by use of a mystical form of energy called "the Force" and belongs to a group called the Jedi order. Many of the key characters in the Star wars universe are Jedi, namely Luke skywalker, Obi-wan kenobi, Yoda and (in the prequel trilogy) Mace windu.