An example of a rover is a gypsy.
She is a rover and dislikes any sort of ties, physical or emotional.
1954 Give him the word, that I'm not a rover, and tell him that his lonely days are over. Mr. Sandman, song by Pat Ballard, recorded by the Chordettes.
1890 "By my hilt! no. There was little Robby Withstaff, and Andrew Salblaster, and Wat Alspaye, who broke the neck of the German. Mon Dieu! what men they were! Take them how you would, at long butts or short, hoyles, rounds, or rovers, better bowmen never twirled a shaft over their thumb-nails." "” Arthur Conan Doyle, The White Company, Chapter 22.
1846 But these islands, undisturbed for years, relapsed into their previous obscurity; and it is only recently that anything has been known concerning them. Once in the course of a half century, to be sure, some adventurous rover would break in upon their peaceful repose. and astonished at the unusual scene, would be almost tempted to claim the merit of a new discovery. "” Herman Melville, Typee, Chapter 1.
The Mars Exploration Rovers will act as robot geologists while they are on the surface of Mars. NASA site.
1719 The first was this: our ship making her course towards the Canary Islands, or rather between those islands and the African shore, was surprised in the grey of the morning by a Turkish rover of Sallee, who gave chase to us with all the sail she could make. "” Daniel Defoe, Robinnson Crusoe, Chapter 2.