edocsil
A person who backstabs despite promising he wouldn't.
Player 1: Can I build this wonder?
Player 2: Sure.
*5 minutes later, player 2 declares war on player 1*
Player 1: Wow! I trusted you! What an edocsil you are!
Player 2: Sure.
*5 minutes later, player 2 declares war on player 1*
Player 1: Wow! I trusted you! What an edocsil you are!