informer
noun
[ ɪnˈfɔːmə ]
• a person who informs on another person to the police or other authority.
Similar:
informant,
betrayer,
traitor,
Judas,
collaborator,
double-crosser,
fifth columnist,
double agent,
spy,
infiltrator,
plant,
turncoat,
tattletale,
rat,
squealer,
stool pigeon,
stoolie,
telltale,
tale teller,
whistle-blower,
snake in the grass,
canary,
snitch,
peacher,
grass,
supergrass,
nark,
snout,
nose,
clype,
tout,
fink,
fizgig,
pimp,
shelf,
intelligencer,
beagle,
