head of household
Refers to the person who is the primary earner or legal representative of a household, often used in official contexts such as tax forms, family registers, and utility contracts.
The name of the head of household is listed on the certificate of residence.
After his father's death, he supported the family as the head of household.
Compound of 所帯 (shotai, 'household') and 主 (nushi, 'master' or 'head'). The reading しょたいぬし is a straightforward combination of the two components.