Synonyms for adventurer

noun

1. One who seeks adventure

   explorer, pirate, globe-trotter, traveler, free lance, soldier of fortune, knight-errant, daredevil, swashbuckler, hero, heroine, pioneer, mountain climber, wild game hunter, record breaker, stunt flyer, Don Quixote, Robin Hood, romantic, dragonslayer, entrepreneur; see also pioneer 2, traveler.

2. One who seeks wealth or power by dubious schemes

   charlatan, opportunist, rogue, adventuress; see opportunist, rascal.