Translation guide
A person who makes a formal complaint, especially in legal or official contexts.
The person who brings a case or accusation in a legal setting.
Standard legal term for plaintiff in a civil lawsuit.
The complainant sought damages.
The person who files a criminal complaint or accusation.
The complainant filed a report with the police.
Used for a person who files a petition or motion, often in family or administrative law.
The complainant filed for mediation.
A person who reports a crime to authorities, often used in criminal procedure.
The complainant's testimony was crucial.
Someone who raises an issue or grievance in an official capacity, such as to a company or organization.
General phrase meaning 'person who filed a complaint'. Natural in customer service or administrative contexts.
We apologized to the complainant.
Formal term for a person who makes a request or complaint, often in official procedures.
Casual way to refer to someone who made a complaint, often in business contexts.
There is no single Japanese word that covers all uses of 'complainant'. Choose based on context: legal vs. general complaint.
原告 is for civil cases (plaintiff), while 告訴人 is for criminal cases (complainant who files charges). Do not mix them up.
We will confirm the complainant's intentions.
We refunded the complainant.