One before Judge Judy

• One in court
• Litigious person
• One who says "See you in court!"
• One righting a wrong, perhaps
• Litigant, perhaps
• Plaintiff in court
• Plaintiff in small claims court
• Marriage-minded fellow

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Suer \Su"er\, n. One who sues; a suitor.