snob

snob

snob    [snob]

noun.  a person who believes himself or herself 1) an expert in a given field, or 2) belongs to a superior social class and look down others

"wine snob, music snob, television snob, gaming snob..."

"Athens used to be a tough place for coffee snobs. But now you can revel in a perfect cup like Kageyo Cooperative Rwandan coffee. "

"Being the mayor's daughter, you'd expect her to be a snob, but she's doing just fine."

"Many luxury brands are now ubiquitous, robing them of their snob value."