Synonyms for Vagrant (same or very similar meaning)
WordNet sense 1 (a wanderer who has no established residence or visible means of support):
drifter, floater, vagabond
WordNet sense 2 (continually changing especially as from one abode or occupation to another):
aimless, floating, drifting
WordNet sense 3 (not settled or established):
unsettled
From the ODE community, based on WordNet
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