#hoarder  a person who accumulates things and hides them away for future use
  supertype:  saver  someone who saves (especially money)
  subtype:  pack_rat__magpie__scavenger  someone who collects things that have been discarded by others
  subtype:  miser  a stingy hoarder of money and possessions (often living miserably)
     subtype:  cheapskate__tightwad  a miserly person
  subtype:  niggard__skinflint__scrooge__churl  a selfish person who is unwilling to give or spend
     subtype:  pinchgut  a niggardly person who starves himself (and others)
  subtype:  penny_pincher__pennypincher  someone who is excessively careful with money (who pinches every penny before letting go of it)

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