bounder

noun
  1. 1

    Something that bounds or jumps.

  2. 2

    A dishonourable man; a cad.

  3. 3

    A social climber.

  4. 4

    That which limits; a boundary.

  5. 5

    A four-wheeled type of dogcart or cabriolet

Source: https://en.wiktionary.org/wiki/bounder