Intercessor

n.	1.
	1.	One who goes between, or intercedes; a mediator.
	2.	(Eccl.) A bishop, who, during a vacancy of the see, administers the bishopric till a successor is installed.

Noun

1.

intercessor - a negotiator who acts as a link between parties Synonyms: go-between, intermediary, intermediator, mediator

advocate, agent, amicus curiae, attorney, attorney-at-law, barrister, barrister-at-law, connection, counsel, counselor, counselor-at-law, deputy, entrepreneur, friend at court, front, front man, go-between, interagent, interceder, intermediary, intermediate, intermediate agent, intermediator, intermedium, internuncio, intervener, interventionist, interventor, lawyer, legal adviser, legal counselor, legal expert, legal practitioner, legalist, mediator, medium, middleman, mouthpiece, negotiant, negotiator, negotiatress, negotiatrix, ombudsman, pleader, proctor, procurator, sea lawyer, self-styled lawyer, solicitor, spokesman, spokeswoman