A con artist; someone who pulls confidence games; a swindler, scammer, huckster, hustler, and/or charlatan.
A manipulator or otherwise generally corrupt person who "games" a system, group of people, or other entity for selfish gains; especially of a political "sell-out" perceived as lacking integrity.
A word in the vocative case
The vocative case
Something said to (or as though to) a particular person or thing; an entreaty, an invocation.
Of or pertaining to calling; used in calling or vocation.
Used in address; appellative (said of that case or form of the noun, pronoun, or adjective, in which a person or thing is addressed). For example "Domine, O Lord"