“Plaintiff”

Jurisdiction: New Zealand New Zealand

The party making a claim in a civil case.

Source: Glossary of Legal Terms, New Zealand Ministry of Justice
Jurisdiction: United States United States

A person or business that files a formal complaint with the court.

Source: Glossary of Legal Terms, United States Courts
Jurisdiction: Ireland Ireland

A person who brings a legal action against another.

Source: Glossary of Legal Terms, The Courts Service of Ireland