1) Back-stabber 2) Blabber 3) Informant 4) Informer 5) Judas 6) Judas, to jesus 7) Source 8) Squealer 9) Traitor 10) Windows game 1) Blabber 2) Fink 3) Informer 4) Judas 5) Nark 6) Rat 7) Snitch 8) Squealer 9) Stoolie 10) Stool pigeon 11) Supergrass 12) Traitor 
[video game] Betrayer is a first-person action-adventure video game developed by Blackpowder Games. The game was released on the Steam platform for the PC on March 24, 2014. Set in colonial Virginia in the 17th century, the game includes stealth elements, with players stalking their enemies and using colonial weaponry to defeat them. ==Game...
• (n.) One who, or that which, betrays.
Be·tray'er noun One who, or that which, betrays.