com·pet·i·tor /kəmˈpɛtətɚ/
  競爭者
  Com·pet·i·tor n.
  1. One who seeks what another seeks, or claims what another claims; one who competes; a rival.
     And can not brook competitors in love.   --Shak.
  2. An associate; a confederate. [Obs.]
  Every hour more competitors
  Flock to their aid, and still their power increaseth.   --Shak.
  ◄ ►
  competitor
       n : the contestant you hope to defeat; "he had respect for his
           rivals"; "he wanted to know what the competition was
           doing" [syn: rival, challenger, competition, contender]