Who is The fighter from Tao of Jeet Kune Do and what is their importance?

The fighter is one of the two parties in a Jeet Kune Do match. The other party is the opponent. Description of the fighter and the opponent mirror each other's roles. Tools of Jeet Kune Do are punches and kicking, used to destroy the other fighter. A fighter should be single-minded and rise above the limits of any one system. The Jeet Kune Do fighter faces the reality of a fight, not its form.