The word "archtraitor" means a person who is a leader or chief betrayer. Synonyms for "archtraitor" include "traitorous ringleader," "master traitor," "chief conspirator," and "betrayal boss." Other words that may be used to describe an archtraitor include "turncoat," "double-crosser," "deceiver," "backstabber," and "renegade." The term "archenemy" may also be used as a synonym for archtraitor, as someone who poses a significant threat or danger to a person or organization. Regardless of the word used, an archtraitor is someone who has done significant harm through their acts of betrayal and deceit.