You searched for: “quester
quester (s) (noun), questers (pl)
1. Anyone who is searching for something or is striving to achieve an objective: According to mythology, the Knights of the Round Table were questers who were seeking truth and integrity.
2. A person who is making a long or arduous investigation to succeed in accomplishing a goal: The scientist, Dr. Dawson, was a quester for a reliable vaccine that would actually help people overcome an illness.