3
Judas
3
canary
3
copper's nark
3
fink
3
nark
3
sneak
3
sneaker
3
snitch
3
snitcher
3
stool pigeon
3
stoolie
3
stoolpigeon
3
supergrass
1
decoy
11 years ago|123 views|share |citing 
APASmart Define. (2015). betrayer thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/betrayer/thesaurus/narrower
ChicagoSmart Define. 2015. "betrayer thesaurus" https://smartdefine.org/betrayer/thesaurus/narrower (accessed September 26, 2026).
HarvardSmart Define 2015, betrayer thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/betrayer/thesaurus/narrower>.
MLASmart Define. "betrayer thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/betrayer/thesaurus/narrower>