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vagrant

noun

a person who wanders about idly and has no permanent home or employment; vagabond; tramp.
Law. an idle person without visible means of support, as a tramp or beggar.
a person who wanders from place to place; wanderer; rover.
wandering idly without a permanent home or employment; living in vagabondage: vagrant beggars.
of, relating to, or characteristic of a vagrant: the vagrant life.

adjective

wandering or roaming from place to place; nomadic.
(of plants) straggling in growth.
not fixed or settled, especially in course; moving hither and thither: a vagrant leaf blown by the wind.

noun

a person of no settled abode, income, or job; tramp
a migratory animal that is off course

adjective

wandering about; nomadic
of, relating to, or characteristic of a vagrant or vagabond
moving in an erratic fashion, without aim or purpose; wayward
(of plants) showing uncontrolled or straggling growth

mid-15c., perhaps an alteration (by influence of Latin vagari “wander”) of Anglo-French wacrant, noun use of present participle of Old French wacrer “to walk or wander,” from a Germanic source (e.g. Old Norse valka “wander”). The adjective is recorded from early 15c.