challenger

Etymology
, ; equivalent to.

Noun

 * 1) One who challenges; especially, one who plays against the current champion of a game or contest in hopes of winning and becoming the new champion.
 * The champion hopes to defeat his new challenger in the game to remain undefeated.
 * One child stood as king of the hill, and tried to withstand the pushes and shoves of his challengers. 

Synonyms

 * adversary, combatant, contender, disputer, opponent

Translations

 * Armenian:
 * Bulgarian: ,
 * Chinese:
 * Mandarin:
 * Czech: vyzývatel
 * Danish: udfordrer
 * Dutch:
 * Finnish:
 * French: ,
 * Galician: desafiador
 * German: ,
 * Hindi:
 * Indonesian:
 * Irish: agóideoir
 * Italian:, sfidatore
 * Japanese:
 * Korean: 도전자
 * Latin: prōvocātor
 * Norwegian:
 * Bokmål: utfordrer
 * Nynorsk: utfordrar
 * Old High German: urheizo
 * Persian: چالش‌انگیز
 * Polish:
 * Portuguese: ,
 * Quechua: tupaq
 * Romanian:, , persoană care contestă ceva
 * Russian:
 * Serbo-Croatian:
 * Cyrillic: изазивач
 * Roman:
 * Slovak: vyzývateľ
 * Spanish: desafiador, retante
 * Thai:
 * Ukrainian:
 * Vietnamese: người thách
 * Welsh: heriwr

Verb

 * 1) to challenge