Ahasuerus
Ancient Mariner
Argonaut
Flying Dutchman
Goliard
Odysseus
Oisin
Ossian
bird of passage
drifter
floater
gad
gadabout
go-about
itinerant
mover
peregrinator
peregrine
peripatetic
rambler
roamer
rolling stone
rover
runabout
straggler
stroller
strolling player
troubadour
visitant
wanderer
wandering minstrel
wandering scholar
mythical being