announcer (n.)
- adviser
- ancestor
- anchor
- anchorman
- annunciator
- antecedent
- authority
- avant-garde
- bellman
- bellwether
- broadcaster
- buccinator
- bushwhacker
- channel
- commentator
- communicant
- communicator
- crier
- emcee
- explorer
- forebear
- forerunner
- frontiersman
- fugleman
- gossipmonger
- grapevine
- groundbreaker
- guide
- harbinger
- herald
- informant
- informer
- innovator
- interviewee
- leader
- messenger
- monitor
- mouthpiece
- newscaster
- newsmonger
- pathfinder
- pioneer
- point
- precedent
- precursor
- predecessor
- presenter
- press
- programmer
- publisher
- radio
- reporter
- scout
- source
- spokesman
- sportscaster
- television
- teller
- tipster
- tout
- trailblazer
- vanguard
- weatherman
- witness