discounter

/D IH1 S K AW0 N T ER0/
noun
  1. 1

    A vendor of discount goods.

    โ€œI shop at online discounters instead of paying retail at department stores.โ€

  2. 2

    One who discounts or disregards.

    โ€œI was a discounter of UFOs until I saw a flying saucer myself.โ€

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