IPA: /ˈwɔːrəntər/
KK: /ˈwɔːrəntər/
A person or entity that provides a guarantee or assurance to another party, often related to the fulfillment of a contract or obligation.
The warrantor is responsible for ensuring that the product meets the specified standards.
Warrantor → It is formed from "warrant" (from Old French *garant*, meaning to guarantee or protect) and "-or" (meaning a person who). A warrantor is a person who guarantees or provides assurance.
Think of someone who 'guarantees' something — that's what a warrantor does, and the '-or' just means a person.