Definitions for "Thrower"
One who throws. Specifically: (a) One who throws or twists silk; a throwster. (b) One who shapes vessels on a throwing engine.
a person who twists silk or rayon filaments into a thread or yarn
a craftsman who shapes pottery on a potter's wheel and bakes them it a kiln
someone who projects something through the air (especially by a rapid motion of the arm)
The player who has made, or is about to make, a throw that is the aspect of play being considered by a particular rule.