A young radio announcer.
announcer definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a person who announces; specif., one who introduces radio or television programs, identifies the station, reads the news, etc.
announcer definition by American Heritage Dictionary
One that announces, especially a person who introduces programs, reads announcements, or provides commentary on television or radio.