A contrarian.
A self-contradictory statement is called a paradox. It is a statement that contradicts itself or seems to defy logic.
A hypocrite is someone who pretends to have qualities or beliefs that they do not actually possess, often acting in a way that contradicts their stated values or beliefs.
An opposing claim is an argument or assertion that contradicts or challenges the main claim or thesis put forth by someone else. It presents a different perspective or viewpoint on the issue being discussed.
You can call someone who is wise and has good sense as a sage or a wise person.
Contradictory sentence. For instance, if you said you were going to the store, but then didn't go. You made a contradiction. Someone who always contradicts himself is what we call, a hypocrite!
Not always, no.
A loser
a stalker
Sociable
You call them a snotty jerk. They are also selfish!
germaphobe.
A Jonathan Stimson
An Electrician
A contrarian.
An Electrician
A nudist.