Transactor

·noun One who transacts, performs, or conducts any business.

transactor
transactor, ōris, m. [transigo], a manager , transactor : rerum transactor et administer, Cic. Ver...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
transactor
trānsāctor ōris, m trans+1 AC-, a manager, conductor : rerum. ...

An Elementary Latin Dictionary