Definitions for "Promisor"
The person who has become obliged through a promise (usually expressed in a contract) towards another, the intended beneficiary of the promise being referred to as the promisee. Also sometimes referred to an "obligor."
Keywords:  undertakes, engages, one
One who engages or undertakes; a promiser.
Keywords:  makes, person, individual
a person who makes a promise
An individual who makes a promise.
The person who makes a promise.