1. a person who disowns or renounces a relationship, claim, or responsibility
Usage: often used in legal or family contexts

Examples

• The disowner of the property filed legal documents to sever all ties.
• After years of conflict, he became a disowner of his family's business interests.
• The disowner refused to accept any inheritance or responsibility.
• She acted as a disowner of the contract, claiming it was never valid.
• The disowner's statement shocked everyone at the family meeting.