n. 25B6; noun MEDIATOR, go-between, negotiator, intervenor, interceder, intercessor, arbitrator, arbiter, conciliator, peacemaker; middleman, broker, linkman.
INTERMEDIARY
Meaning of INTERMEDIARY in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012