betrayer

Definitions of betrayer
1

n a person who says one thing and does another

Synonyms:
double-crosser, double-dealer, traitor, two-timer
Types:
Judas
someone who betrays under the guise of friendship
Type of:
beguiler, cheat, cheater, deceiver, slicker, trickster
someone who leads you to believe something that is not true

n one who reveals confidential information in return for money

Synonyms:
blabber, informer, rat, squealer
Types:
canary, fink, sneak, sneaker, snitch, snitcher, stool pigeon, stoolie, stoolpigeon
someone acting as an informer or decoy for the police
copper's nark, nark
an informer or spy working for the police
grass, supergrass
a police informer who implicates many people
Type of:
informant, source
a person who supplies information

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