IPA: /ˈhɔːrdər/
KK: /ˈhɔrdər/
A person who collects and keeps a large amount of things, often to the point of being unable to use their space properly.
The hoarder had so many newspapers piled up that there was hardly any room to walk in the house.
Hoarder → The word 'hoarder' comes from the Old English 'hordian' (meaning to store or treasure) and the suffix '-er' (meaning a person who). A hoarder is a person who stores or treasures items excessively.
Think of someone who 'stores' ('hordian') things excessively — that's why a hoarder is a person who keeps too many items.