He thinks I'm a snob, how do I change his perception of me?

This guy I like isn't displaying the usual signs of interest. Recently I found out that he believes me to be a snob which I don't understand why. No one has ever called me a snob ever and I'd like to think I'm the complete opposite. I'm a very friendly person and try my best to treat everyone with respect. I want him to see me differently cause I know that he is actually attracted to me but the fact that he thinks I'm a snob has turned him off. How do I get him to see me differently? What do you think I should do?
He thinks I'm a snob, how do I change his perception of me?
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