rover1

noun

• 1a person who spends their time wandering:they became rovers who departed further and further from civilization

• 2(in various sports) a player not restricted to a particular position on the field.
• Australian Rules one of the three players making up a ruck, typically one who is small, fast, and skilful at receiving the ball.

• 3a vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain:a lunar rover

• 4 Croquet a ball that has passed all the hoops but not pegged out.
• a player who has a rover ball.

• 5 Archery a mark for long-distance shooting.
• a mark chosen at random and not at a determined range.

• 6 (Rover or Rover Scout) a member of a Scouting organization aged around 17-24.