Yap.Town

けが人は

the injured person(s)

→ 怪我人
phrase Rare #30,404
the injured person(s) は marks けが人 as the topic. Whether it refers to one or more people depends on context.
JA: けが人はすぐに病院へ運ばれました。
EN: The injured person was taken to the hospital right away.

けが人はでなかった。

No one was injured.

けが人は病院へ運ばれた。

The injured person was taken to the hospital.

けが人はいないか？

Is anyone hurt?

— Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020)

けが人は何名だったの？

How many people were injured?

幸い、けが人はいませんでした。

Fortunately, no one was injured.