injured player; injured person
Common in sports contexts, referring to a player who is injured and unable to participate. Can also be used more generally for anyone suffering from an injury or breakdown.
With a string of injured players, the team is struggling.
He is on the injured list.
負傷者 is a more formal term for a wounded or injured person, often used in news reports or official contexts.
Compound of 故障 (breakdown, injury) and 者 (person).