noun
litigant
LIT-ih-gunt/ˈlɪtɪɡənt/
A person or organization involved as a party in a lawsuit.
The litigant sits beside her attorney, facing the judge across the courtroom.

Etymology
The roots give the image of “driving a suit” forward. The participial form describes someone carrying on that legal dispute, hence a party to a lawsuit.
In context
every litigant who seeks in courts or defend their claims before the courts
More examples
- The company is a litigant in several patent lawsuits.
- Both litigants agree to settle before the trial.
- A litigant can represent herself without hiring a lawyer.
Forms
litigant · litigants
litigate verb — To pursue a dispute in court.
litigation noun — The process of resolving disputes in court.