Despot
A ruler who holds absolute power and uses it in a cruel way. Tyrant, dictator.
Sycophant
Person who acts obediently toward someone important to gain advantage. Suck-up.
Hedonist
Person who believes pursuit of happiness is the most important thing in life. Pleasure-seeker.
Hypocrite
The practice of claiming to have moral beliefs to which one's own behavior does not conform.
Heretic
A person's beliefs or opinions contrary to orthodox religious doctrine. Non-conformity.
Charlatan
A person who falsely claims to have a special knowledge or skill. Fraud, imposter, fake.
Bigot
Intolerant towards those holding different opinions than oneself. Closed-minded.
Miser
Holds wealth but spends as little money as possible. Penny-pincher.
Insurgent
Rebel or revolutionary.
Skeptic
Someone who doubts or holds suspicion towards accepted opinions. Cynic, doubter.