IPA: //ˈkʌvənəˌtɔːr//
KK: /ˈkʌvənəˌtɔr/
A person or group that makes a promise in a legal agreement to do something or to ensure that something is done.
The covenantor agreed to fulfill all the obligations outlined in the contract.
Covenantor → It is formed from "covenant" (from Old French *covenant*, meaning agreement or promise) and "-or" (meaning a person who). A covenantor is a person who makes a promise or agreement.
Think of a person who is making a promise or agreement — that's what a covenantor is.