#rival__challenger__competitor__competition__contender  the contestant you hope to defeat; "he had respect for his rivals"; "he wanted to know what the competition was doing"
  supertype:  contestant  a person who participates in competitions
  subtype:  champ__champion__title-holder__titleholder  someone who has won first place in a competition
     subtype:  record-breaker__record-holder  someone who breaks a record
  subtype:  comer  someone with a promising future
  subtype:  finalist  a contestant who reaches the final stages of a competition
  subtype:  foe__enemy  a personal enemy; "they had been political foes for years"
     subtype:  mortal_enemy  an enemy who wants to kill you
  subtype:  front-runner__frontrunner__favorite__favourite  a competitor thought likely to win
  subtype:  world-beater__worldbeater__king  a competitor who holds a preeminent position
  subtype:  runner-up__second_best  the competitor who finishes second
  subtype:  semifinalist  one of four competitors remaining in a tournament by elimination
  subtype:  street_fighter  a contestant who is very aggressive and willing to use underhand methods
  subtype:  tier.rival  any one of two or more competitors who tie one another
  subtype:  tilter.rival  someone who engages in a tilt or joust

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