Possible Clues:

• Rover given French name these days
• Rover with marbles intact, having lost shirt
• Member of travelling people
• Desert roamer, e.g.
• Unsettled sort
• No stay-at-home
• Return of Pythias's friend, someone who can't settle
• One sans a permanent address
• Is your mother on to come back and be forever on the move?
• Is it sane for one to keep moving?