double-crosser
- n a person who says one thing and does another
- The famed "Christian Marshal," Feng Yu-hsiang, who ranks as China's most benevolent and adroit double-crosser, could hardly wait to get in on whatever was taking place at Sian.
- Governor Moody was heckled, called "double-crosser" by two factions.
- Other union chiefs despised him as a double-crosser.