perpetrator; offender; at-fault party
Refers to the person or party who caused harm, committed a crime, or is at fault in an incident. Often contrasted with 被害者 (victim).
Antonyms: 被害者
The at-fault party in the accident has not been found yet.
加害者と被害者の間で示談が成立した。
A settlement was reached between the perpetrator and the victim.
In that accident, the driver became the at-fault party.
The police have not yet identified the perpetrator.
The court ruled to hold the perpetrator responsible.