groundhopper

/G R AW1 N D HH AA1 P ER0/
noun
  1. 1

    A small insect, of the genus Tetrix, similar to a grasshopper.

  2. 2

    One who engages in groundhopping, the hobby of attending sports matches at as many different stadiums or grounds as possible.

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