rover
Pronunciation:
/ˈɹəʊvə(ɹ)/noun
Definitions
(usually in the plural) A randomly selected target.
One who roves, a wanderer, a nomad.
A vagabond, a tramp, an unsteady, restless person, one who by habit doesn't settle down or marry.
Example: She is a rover and dislikes any sort of ties, physical or emotional.
A vehicle for exploring extraterrestrial bodies.