Person who brings an action at law
A
Plaintiff
B
Litigant
C
Deponent
D
Defendant
Correct Answer: Plaintiff
One word substitute is Plaintiff.Plaintiff: a person who brings a case against another in a court of law.
Litigant: a person involved in a lawsuit.
Deponent: (of a verb, especially in Latin or Greek) passive or middle in form but active in meaning.
Defendant: an individual, company, or institution sued or accused in a court of law.