A person or company that provides a warranty or guarantee for a product or service.
The warrantor assured the customer that the car would be repaired free of charge if any issues arose within the first year.
A person who makes a formal promise or assurance, especially in legal contexts.
As the warrantor, he was responsible for ensuring that the terms of the contract were fulfilled.
In property law, a party (particularly the grantor in a warranty deed) who guarantees that the title conveyed is free from encumbrances and will be defended against claims.
Under the warranty deed, the warrantor must compensate the grantee if a third party successfully challenges the title.