betrayer

Definitions of betrayer
  1. noun
    a person who says one thing and does another
    synonyms: double-crosser, double-dealer, traitor, two-timer
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    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
  2. noun
    one who reveals confidential information in return for money
    synonyms: blabber, informer, rat, squealer
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    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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