(n) the contestant you hope to defeat, Syn. competitor, competition, challenger, contender, Example:he had respect for his rivals; he wanted to know what the competition was doing
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
[御敌 / 禦敵, yù díㄩˋ ㄉㄧˊ] armed enemy of the nation; enemy of the Emperor; fig. championship challenger; contender opposing champion in sporting contest#66379
[かえりうち, kaeriuchi] (n) (1) killing a would-be avenger; (2) having the tables turned on someone (e.g. by a challenger); being beaten at one's own game#18610