Christian: n,

A person who believes in Jesus Christ, God incarnate who came to Earth and became flesh to die on the cross, sinless for our redemption.

libertarian: n,

"A person who believes that no one has the right, under any circumstances, to initiate force against another human being, or to advocate or delegate its initiation. Those who act consistently with this principle are libertarians, whether they realize it or not. Those who fail to act consistently with it are not libertarians, regardless of what they may claim."

-- L. Neil Smith