tripper (n.)

• addict
• adventurer
• alcoholic
• alpinist
• astronaut
• camper
• climber
• commuter
• cosmopolite
• cruiser
• dipsomaniac
• drunkard
• excursionist
• explorer
• fare
• fiend
• freak
• goer
• hajji
• head
• hype
• journeyer
• junkie
• mariner
• mountaineer
• palmer
• passenger
• passerby
• pathfinder
• pilgrim
• pioneer
• pothead
• rubberneck
• rubbernecker
• sailor
• sightseer
• snowbird
• straphanger
• tourer
• tourist
• trailblazer
• transient
• traveler
• trekker
• user
• viator
• voyager
• wayfarer