Inverted snobbery
Social class discrimination
Active prejudice towards lower classes

Snob is a pejorative term for a person who believes there is a correlation between social status (including physical appearance) and human worth. Snob also refers to a person who feels superiority over those from lower social classes, education levels, or other social areas. The word snobbery came into use for the first time in England during the 1820s.

Source: Wikipedia

Snobbery is one of the ways people reveal their own lack of self-esteem.
1. Snobbery has the virtue of protecting a person of discernment from the base and vulgar. Certain hostesses owe their exceptional situation purely to their rigour. It is not because of their long name or wealth, but rather because they receive almost no one that it is such a privilege to be received by them.

2. If snobbery were a mortal sin, we would all burn in hell.

(F) Fuzzy exceptional problems