lit·i·gant
noun/ˈlɪtɪɡənt/
/ˈlɪtɪɡənt/
(law)- a person who is making or defending a claim in court
诉讼当事人 Word Originmid 17th cent.: from French, from Latin litigant- ‘carrying on a lawsuit’, from the verb litigare from lis, lit- ‘lawsuit’.