個こ人じん事じ業ぎょう主ぬし

noun

sole proprietor; sole proprietorship; one-man business

Refers to an individual who owns and operates a business alone, without incorporating. Common in legal, tax, and business contexts.

• 彼かれは会かい社しゃを辞やめて個こ人じん事じ業ぎょう主ぬしになった。

  He quit his company and became a sole proprietor.

• 個こ人じん事じ業ぎょう主ぬしとして確かく定てい申しん告こくをする。

  I file a tax return as a sole proprietor.