pursuer

Plural: pursuers

Noun

• One who follows or chases another, often to catch them.
• a person who is pursuing and trying to overtake or capture
  • "always before he had been able to outwit his pursuers"
• a person who pursues some plan or goal
  • "a pursuer of truth"
• One who pursues.
• The party who initiates a lawsuit; a plaintiff.

Examples

• As the PURSUER of bingos, he relentlessly sought out seven-letter words.

Synonyms

chaser