barterer

The Panamanian antiques were sold to U.S. gun collectors, and Cummings was launched as an international gun barterer.

From Time Magazine Archive

So he reports: and in each other charge Committed to his keeping, play'd the part Of barterer to the height:  with him doth herd The chief of Logodoro, Michel Zanche.

From The Divine Comedy by Dante, Illustrated, Hell, Volume 07 by Henry Francis Cary

Like the Phenicians, it may become the merchant and barterer of the world; or, like the Greeks, the teacher of future generations; or, like the Romans, the model-giver of laws and forms.

From The Moral and Intellectual Diversity of Races With Particular Reference to Their Respective Influence in the Civil and Political History of Mankind by T. S. (Timothy Shay) Arthur

Under such adverse circumstances does the barterer ply his traffic with the Esquimaux.

From Schwatka's Search by William H. (William Henry) Gilder

Now, my dear, do not feel that I am a charter barterer; we can simply acquire a valuable tract of land by this process and be as we would under any other circumstances.

From The Homesteader A Novel by Oscar Micheaux