broker (n.)
- agent
- arbitrator
- connection
- contact
- dealer
- distributor
- go-between
- intercessor
- intermediary
- intermediate
- intermediator
- intermedium
- internuncio
- jobber
- liaison
- link
- mediary
- mediator
- medium
- middleman
- negotiant
- negotiator
- pawnbroker
- specialist
- stockbroker
- stockjobber
- tie
- wholesaler
