Liberal: What!? You don't approve of gay marriage. You are obviously a bigot and oppose it for no reason other than hate for gay people.
2) adj. bigoted: A bigoted person is one who is a bigot. Can also be used to describe an opinion.
2) Joe: Stupid niggers, always stealing my stuff.
Me: That's a bigoted opinion, you bigot.
In other words, a bigot is someone who's intolerant and prejudice, whether it be to another person's quality (gay, jewish, foreign, etc.) or to their way of thinking.
He/she is performing an act of bigotry