“complainant”

This page shows official legal definitions of “complainant” from courts and ministries of justice in multiple countries. Definitions are listed in order of reading level to help with both basic understanding and deeper context.

Jurisdiction: Australia Australia

A person who begins legal proceedings against another.

Source: Law Handbook Glossary (Legal Services Commission of South Australia)
Jurisdiction: United Kingdom United Kingdom

A person who makes a formal complaint. In relation to an offence of rape or other sexual offences the complainant is the person against whom the offence is alleged to have been committed.

Source: Criminal Procedure Rules Glossary (The National Archives)