bobber: translation
1) a plastic, cork or wood device in angling that enables a baited hook to be suspended in the water column and enables fish biting on the hook to be detected by movement of the bobber. Some are even lighted for night fishing. Also called float, q.v. for more details (float in England, bobber in North America)
2) a float used to mark the position of a net or other commercial fishing gear
3) a person who helps unload fishing boats
4) a man who stands on a bench by the salesman and receives the bobbing-charge
5) bob (3). Also called babber