Locum tenens
A member of the clergy who temporarily fills the office of another. From the Latin, “to hold a place.” A substitute or deputy. The position may be known as a locum tenency.
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.