a collector of sorts, pets, in this reference

Someone who buys toys with an intent to resell. Will buy as many of a single figure as they can find, squirrelling them away in the hopes that their value will increase. This buying practice can create a local shortage, and therefore the desired price increase. Most damaging to the collector market in the long term.

An individual who amasses a great quantity of a numismatic item.

a person who accumulates things and hides them away for future use

One who hoards.