Professional dealmaker (5)
I believe the answer is:
agent
(Other definitions for agent that I've seen before include "Spy; service provider" , "Instrument" , "Go-between" , "One may be working" , "Operative" .)
I believe the answer is:
agent
(Other definitions for agent that I've seen before include "Spy; service provider" , "Instrument" , "Go-between" , "One may be working" , "Operative" .)