捜そう索さく者しゃ

noun

searcher; seeker

A person who searches for something or someone, often used in formal or official contexts like search-and-rescue or investigation.

• 警けい察さつは行方ゆくえ不ふ明めい者しゃの捜そう索さく者しゃを増ぞう員いんした。

  The police increased the number of searchers for the missing person.