a person who has, enjoys, or seeks adventures.

a seeker of fortune in daring enterprises; soldier of fortune.

a person who undertakes great commercial risk; speculator.

a person who seeks power, wealth, or social rank by unscrupulous or questionable means

They thought John was an adventurer and after their daughter's money.

( usually initial capital letter ) a member of Camp Fire, Inc., who is between the ages of 9 and 11.

noun

charlatan , daredevil , entrepreneur , explorer , fortune-hunter , gambler , globetrotter , hero , heroine , madcap , mercenary , opportunist , pioneer , pirate , romantic , speculator , stunt person , swashbuckler , traveler , venturer , voyager , wanderer , hessian , soldier of fortune , operator , picard , picaroon , sportsman