packrat

noun
  1. 1

    Any of several species of rodent in the genus Neotoma, but most commonly the bushy-tailed woodrat (Neotoma cinerea).

  2. 2

    One who tends to acquire various objects; one who collects, accumulates or has trouble throwing things away; a hoarder.

verb
  1. 1

    To hoard things.

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