Refers to a person who borrows money or goods. Often used in financial or legal contexts.
The bank checks the borrower's credit.
Refers to a person who rents or leases property, such as an apartment or land.
The tenant is obligated to pay rent every month.
所有者 is the person who owns something, while 借主 is the person who borrows or rents it from the owner.
Standard spelling with okurigana; preferred in news and formal writing.
Abbreviated kanji spelling without okurigana; also common.
Compound of 借り (kari, 'borrowing') + 主 (nushi, 'owner' or 'person'). The reading かりぬし is a straightforward combination.