tipster (n.)
- adventurer
- adviser
- announcer
- annunciator
- authority
- betrayer
- bettor
- boneshaker
- canary
- cardsharp
- cardsharper
- channel
- communicant
- communicator
- fink
- gambler
- gossipmonger
- grapevine
- informant
- informer
- interviewee
- monitor
- mouthpiece
- nark
- newsmonger
- player
- plunger
- press
- publisher
- punter
- radio
- reporter
- sharp
- sharper
- sharpie
- snitch
- source
- speculator
- spokesman
- sport
- sportsman
- squealer
- talebearer
- tattler
- television
- teller
- tout
- touter
- venturer
- wagerer
- witness
