noun
Legal term for a person under the protection of a guardian (後見人). Used in contexts of guardianship, such as minors or adults under legal supervision.
被後見者の財産は後見人が管理する。
The guardian manages the ward's property.
Compound of 被 (hi, 'receiving') + 後見 (kōken, 'guardianship') + 者 (sha, 'person'). The prefix 被- indicates the passive role of being under guardianship.