noun
A neutral, somewhat formal noun for the person or entity that owns something; common in legal, administrative, real-estate, and product-registration contexts.
この土地の所有者は誰ですか。
Who is the owner of this land?
車の所有者を確認する必要がある。
We need to confirm the owner of the car.
Loanword often used for business owners, landlords, or sports-team owners; can sound more colloquial or commercial.
Means the right of ownership, not the person or entity who owns something.
Sino-Japanese compound from 所有, 'ownership; possession,' plus 者, 'person,' giving 'person who owns or possesses something.'