#thrower  someone who projects something through the air (especially by a rapid motion of the arm)
  supertype:  person__individual__someone__somebody__mortal__human__human_being__humanbeing__soul  a human being; "there was too much for one person to do"
  subtype:  pelter  a thrower of missiles; "the police were too busy to chase the pelters"
  subtype:  hurler__pitcher__twirler  (baseball or softball) the person who does the pitching; "our pitcher has a sore arm"
     subtype:  left-handed_pitcher__left-hander__lefty__southpaw  a baseball pitcher who throws the ball with the left hand
     subtype:  right-handed_pitcher__right-hander__righthander  (baseball) a pitcher who throws with the left hand
     subtype:  relief_pitcher__reliever__fireman  a pitcher who does not start the game
     subtype:  screwballer  (baseball) a pitcher who throws screwballs
     subtype:  starting_pitcher  the pitcher who starts in a baseball game
  subtype:  slinger  a person who uses a sling to throw something
  subtype:  tosser  someone who throws lightly (as with the palm upward)

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