Snob

Noun

 * 1)  A person who seeks to be, or is, a member of the upper classes and looks down on lower classes, such as the middle class and the poor.
 * You really are a little snob, aren’t you?

Derived terms

 * snobbish
 * snobby

Thesaurus
Brahmin, bootlicker, cold-shoulder, cut, egghead, elitist, hanger-on, high-hat, highbrow, lickspittle, mandarin, name-dropper, ostracize, prig, snoot, snot, snub, sycophant, toady, tufthunter