bounder

noun5

1. •
   (UK, old-fashioned) A dishonourable man; a cad.

   • He marvelled anew that Ruth could have cared, as she certainly had, for this fellow. A bounder, and worse than a bounder. — 1928
2. •
   A social climber.
3. •
   Something that bounds or jumps.
4. •
   That which limits; a boundary.
5. •
   (informal, no longer used) A four-wheeled type of dogcart or cabriolet.