intercessor Meaning, Definition & Usage

  1. noun a negotiator who acts as a link between parties
    intermediator; go-between; intermediary; mediator.

WordNet

In`ter*ces"sor noun
Etymology
L., a surety: cf. F. intercesseur.
Definitions
  1. 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. Milton.
  2. (Eccl.) A bishop, who, during a vacancy of the see, administers the bishopric till a successor is installed.

Webster 1913