arbitrator (n.)
- arbiter
- bencher
- broker
- connection
- contact
- critic
- go-between
- indicator
- intermediary
- intermediate
- intermedium
- internuncio
- judge
- justice
- magistrate
- mediator
- medium
- middleman
- moderator
- negotiant
- negotiator
- referee
- umpire
The end crowns all,
And that old common arbitrator, Time,
Will one day end it.
