swindle eastern potentate.
A bit of a long shot -
swindle = con
eastern potentate = Khan is an originally Central Asian title for a sovereign or military ruler
Sounds cool = chilly Therefore it could be Chilli con carne but I can't reconcile the E?
Perhaps Mamya, anniec, The Joker, Bullfrog, AJT or one of the other real experts can advise.