Synonyms for Judas (same or very similar meaning)
WordNet sense 1 ((New Testament) supposed brother of St. James; one of the Apostles who is invoked in prayer when a situation seems hopeless):
Jude, Thaddaeus, Saint Jude, St. JudeWordNet sense 2 ((New Testament) the Apostle who betrayed Jesus to his enemies for 30 pieces of silver):
Judas IscariotFrom the ODE community, based on WordNetadd/edit