confirmee
/kərˈfɔrmɪˌti/Definitions
1. noun
a person or entity to whom confirmation is given or offered, especially in a business or legal context
“The confirmee was notified of the merger via email.”
2. noun
a person who is confirmed in a position or status, such as a bishop or a winner of a competition
“The new professor was hailed as the confirmee of the year.”