A diamond worker is someone who works in the diamond industry, typically cutting and polishing diamonds. The term 'batboy' is a 6-letter word used to describe someone who assists the team during a baseball game by retrieving bats and other equipment. An umpire, or 'UMP', is a 3-letter word used to describe someone who officiates a sporting event, such as baseball, by making rulings and enforcing the rules of the game.