Vagabond
Part of speech: verb
Definition: To roam, as a vagabond
Part of speech: noun
Definition: A person on a trip of indeterminate destination and/or length of time. A bum, a hobo, a tramp, a homeless person.
Rootless
Part of speech: adjective
Definition: Describing a plant (or by extension something else) that does not have roots.A wanderer, someone who has no ties to a particular locale.