curmudgeons

noun
  1. 1

    A miser.

  2. 2

    An ill-tempered person full of stubborn ideas or opinions.

    โ€œJohn Doe's old age and stubborn aversion to new ideas make him a curmudgeon of a candidate.โ€

    syn:crank

Synonyms

Source: https://en.wiktionary.org/wiki/curmudgeon, https://en.wiktionary.org/wiki/curmudgeons