adventurer
adviser
announcer
annunciator
authority
betrayer
betting ring
bettor
boneshaker
canary
cardshark
cardsharp
cardsharper
channel
communicant
communicator
compulsive gambler
crap shooter
dopester
enlightener
expert witness
fink
gambler
gamester
gossipmonger
grapevine
hazarder
informant
information center
information medium
informer
interviewee
monitor
mouthpiece
nark
newsmonger
notifier
petty gambler
piker
player
plunger
press
public relations officer
publisher
punter
radio
reporter
sharp
sharper
advisor
consultant
racetrack tout
Sb
`amateurs'
`one'
apostleship
bookmaker
bozon
chattin
diptych
emailer
following
letter-writer
letters?'
nine-one-one
pilot-fish
prankster
proofed
recessional
sourcing
speechwriter
stingray
they
treatise