hoarder
🇺🇸
/ˈhɔːrdər/
🇬🇧
/ˈhɔːdə(r)/
someone who keeps a lot of things they don't need
My neighbor is a hoarder; his house is filled with old newspapers and boxes.
我的邻居是一个囤积狂;他的房子里满是旧报纸和箱子。