winner in WordNet English dictionary

1. a person with a record of successes
   "his son would never be the achiever that his father was"; "only winners need apply"; "if you want to be a success you have to dress like a success"
   achiever  winner  success  succeeder 
   
2. the contestant who wins the contest
   winner  victor 
   
3. a gambler who wins a bet
   winner