The term 'Infamous Traitor' can be summarized by two crossword solutions: JUDAS and Matahari. JUDAS was a disciple of Jesus Christ who betrayed him to the authorities for thirty pieces of silver. Mata Hari was a Dutch exotic dancer and courtesan who was accused of being a spy during World War I and was executed by firing squad in 1917. Both JUDAS and Mata Hari are remembered as infamous traitors for their actions.