suer

Plural: suers

Noun

• One who institutes a lawsuit against another.
• a man who courts a woman
  • "a suer for the hand of the princess"
• someone who petitions a court for redress of a grievance or recovery of a right
• Someone who sues; a suitor.

Examples

• His opponent acted like a SUER, challenging every single word played.

Synonyms

petitioner, suitor, wooer