Confessor
The term has two meanings: 1) One who suffers greatly for confessing the faith, without being martyred, and 2) the bishop or priest who hears a private confession of sin. See Reconciliation of a Penitent.
Glossary definitions provided courtesy of Church Publishing Incorporated, New York, NY,(All Rights reserved) from “An Episcopal Dictionary of the Church, A User Friendly Reference for Episcopalians,” Don S. Armentrout and Robert Boak Slocum, editors.