traveler
Concise Oxford English Dictionary © 2008 Oxford University Press:
traveller /ˈtravələ(r)/ (US also traveler)
▶noun a person who is travelling or who often travels.
■ (usu. Traveller) Brit. a Gypsy.
■ (also New Age traveller) Brit. a person who holds New Age values and leads an itinerant and unconventional lifestyle.
'traveler' also found in these Oxford entries:

