IPA: //ˈhaʊsˌhoʊldər//
KK: /ˈhaʊsˌhoʊldər/
A person who owns or lives in a house, often responsible for managing the household.
The householder decided to renovate the kitchen to make it more modern.
Householder is formed from "house" (from Old English *hus*, meaning a dwelling or shelter) and "-holder" (from Old English *healdan*, meaning to hold or possess). The word refers to a person who holds or possesses a house, typically the owner or head of a household.
Think of someone who 'holds' ('-holder') a 'house' — that's why a householder is a person who owns or manages a home.