noun
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.
住民票には所帯主の名前が記載されている。
The name of the head of household is listed on the certificate of residence.
彼は父親の死後、所帯主として家族を支
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.