Intermediary

I am an intermediary who introduces business.

Poetry is emotion expressed in rhythm through thought, just as music is that same expression, but direct, without the intermediary of the idea.

A Mr. Whymper, a solicitor living in Willingdon, had agreed to act as intermediary between Animal Farm and the outside world […]

White House chief strategist Steve Bannon has been in contact via intermediaries with Curtis Yarvin, Politico Magazine reported this week.

The intermediary between the manufacturer and retailer is the wholesaler