someone who collects large amounts of something and keeps it for themselves, often in a secret place

Senior officials blame hoarders for the food shortage. 高级官员指责囤积的人造成了粮食短缺。

someone who suffers from a mental condition that makes them want to keep a large number of things that are not needed or have no value

He was one of those hoarders who can't throw anything away. 他是那种喜欢囤积东西的人，什么都不扔。

I soon realized the woman was a compulsive hoarder. 我很快意识到这个女人是一个强迫性囤积症患者。