traitor
adjective
1. traitorous
noun
1. someone who betrays his country by committing treason
Similar word(s): treasonist
Definition categories: person, criminal, crook, felon, malefactor, outlaw
2. a person who says one thing and does another
Similar word(s): betrayer
Definition categories: person, beguiler, cheat, cheater, deceiver, slicker, trickster
verb
1. To act the traitor toward; to betray; to deceive.