Game officials are essential to the success of any game. An UMP (3 letters) is a person who makes decisions on the field, such as calling balls and strikes in baseball. A REFEREE (7 letters) is a person who oversees the game and enforces the rules. A REF (3 letters) is a shortened version of REFEREE. A Scorer (6 letters) is a person who keeps track of the score and other statistics during the game. A WARDEN (6 letters) is a person who monitors the behavior of players and spectators. A Scorekeeper (11 letters) is a person who records the score and other statistics after the game has ended.