The verb pursue means to follow or chase. It can also mean to engage in an activity (to pursue a career, to pursue an interest).
A pursuer in the usual sense is someone chasing someone, or something.
In the second sense, a "pursuer" of a hobby or pastime is someone who engages in activity or study.
The security guard followed the suspicious individual, acting as his pursuer.
Korath the Pursuer was created in 1992.
In Scottish law, the plaintiff is typically referred to as the "pursuer" in civil cases.
The cast of Am I Digital - 2009 includes: Matt Cho as Pursuer 3 Jamie Hayden as The Assassin Christian Howard as Assassin Erol Ismail as Pursuer 2 Rashid Phoenix as Pursuer 1
The cast of Flucht - 1996 includes: Clemens Aufderklamm as Pursuer Walter Sachers as Pursuer Peter Zimmermann as Escapist
A hobbyist (one who pursues or has a hobby)
a person who gains or accomplish something
Inspired
探求者 Tankyuusha (searcher, pursuer)
Hunter, huntsman, huntress, chaser, sportsman, pursuer, stalker...
mitchell palmer
Eliot Ness is widely known to have doggedly pursued Al Capone.