reprobate

From the Word of the Day feed in right-hand column:

reprobate \REP-ruh-bayt\, noun, adjective:
1. a very wicked, unprincipled person; scoundrel

adjective:1. very wicked; unprincipled
verb:1. to disapprove; condemn, censure

noun:1. a person predestined to damnation, rejected by God
adjective:1. rejected by God; damned

verb:1. to reject from salvation; predestine to eternal punishment

I'd like to add "politician" as a synonym.