#official  administers rules of a game or sport
  supertype:  adjudicator  a person who adjudicates
  subtype:  football_official  an official who enforces the rules at a football game
     subtype:  back_judge  a football official
     subtype:  field_judge__fieldjudge  a football official
     subtype:  head_linesman  a football official in charge of recording yardage gained or loss
     subtype:  line_judge  football official who assists the referee by keeping track of the official time during the game
     subtype:  side_judge  a football official
  subtype:  linesman  official (in tennis or soccer or football) who assists the referee is some way (especially by watching for off-sides or out of bounds)
  subtype:  referee__ref  (sports) the chief official (as in boxing or American football) who is expected to ensure fair play
  subtype:  umpire__ump  an official at a baseball game
  subtype:  scorekeeper  an official who records the score during the progress of a game
  subtype:  starter.official  the official who signals the beginning of a race or competition
  subtype:  timekeeper.official__timer  (sports) an official who keeps track of the time elapsed

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