A more thorough explanation:

Definition: A person who makes an essoin.

Example: In medieval times, when a person was summoned to court but couldn't attend, they could send an essoiner to make an excuse for them. The essoiner would explain the reason for the absence and request a postponement of the hearing.

Explanation: An essoiner was a representative who acted on behalf of someone who couldn't attend a court hearing. They would provide a valid reason for the absence and request a delay in the proceedings. The example illustrates how an essoiner was used in medieval times to avoid penalties for not appearing in court.