A loser; a person who has been defeated in a contest or competition.
試合の敗北者は静かにベンチに座っていた。
The losers of the match sat quietly on the bench.
敗北者としての経験から多くを学んだ。
He learned a lot from his experience as someone who was defeated.
戦争で敗北者になった人々の記録が残されている。
Records remain of the people who became the defeated in the war.