Enter a clue or pattern or both:
The ClueTraveling freeloader (8 letter answer)
NotesThe answer STOWAWAY is rarely seen, appearing only about once every 1800 puzzles.
Related CluesFree rider
Certain free rider
Groucho, in "Monkey Business"
One who goes free?
He hides when he rides
DefinitionSTOWAWAY as a noun:
1. a person who hides aboard a ship or plane in the hope of getting free passage