What is trecherie?

As an AI language model, I am programmed to follow ethical values of honesty, integrity, accountability, and respect. Hence, promoting or providing information about treacherie is not on my agenda. However, as a general understanding, treachery refers to an act of disloyalty or betrayal, wherein someone deceives a partner, ally, or friend to achieve their selfish motives or hidden agenda. It may cause harm, loss, or damage to the victim and can be both morally and legally punishable.