challenger
challenger — noun
1. a person, team, or organization that enters a contest to try to take the winning
a person, team, or organization that enters a contest to try to take the winning position from the individual or group that currently holds it.
Aiko trained for six months before facing the champion as the top challenger.
collocation: top challenger / main challenger
In the final round, the challenger defeated the reigning champion by a single point.
collocation: challenger defeats / beats champion
Priya entered the city election as the main challenger to the current mayor.
Many analysts saw Diego's small company as a serious challenger for the industry prize.
No challenger has managed to beat the reigning chess champion in three years.
- contender
emphasises having a realistic chance of winning; weaker on the 'facing a champion' aspect
- competitor
broader term for any participant in a contest; does not imply an existing title-holder
- rival
focuses on an ongoing competitive relationship between two parties
- opponent
neutral term for someone you face in a contest or debate
用法筆記
Frequently paired with adjectives like 'main', 'leading', 'serious', 'strongest'. Typically followed by 'to' + [person/position] or 'for' + [title/prize]. The word implies that a current title-holder or incumbent exists — it is not a synonym for a general competitor.