Intermediary (9)
'intermediary' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for middleman that I've seen before include "Retailer or intermediary" , "Go-between" , "Intermediate" , "He comes between producer and consumer" , "He acts between producer and consumer" .)
'intermediary' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for go-between that I've seen before include "One who acts as messenger or negotiator" , "Intermediary" , "Runner" .)