Intercessor
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) A bishop, who, during a vacancy of the see, administers the bishopric till a successor is installed.
(2): ( n.) One who goes between, or intercedes; a mediator. (a) One who interposes between parties at variance, with a view to reconcile them. (b) One who pleads in behalf of another.
King James Dictionary [2]
INTERCES'SOR, n. L. See intercede.
1. A mediator one who interposes between parties at variance, with a view to reconcile them one who pleads in behalf of another. 2. A bishop who, during a vacancy of the see, administers the bishopric till a successor is elected.
Hawker's Poor Man's Concordance And Dictionary [3]
See Intercession