In the US side of the language, it is common enough to refer to someone as showing "class", meaning conducting oneself with a style befitting a high-class person.

"Class" is a lousy term to ue if defining an individual, since no individual really defines the class of his economic status by choice if he is lower than the upp-middle.

There are such things as economic classes of people -- a composite of ways of earning int he world and income -- but the concept is really useful for broad economic or sociological discussions. Individual cases don't necessarily reflect the attributes to which they might belong very well, any more than "men" are brutal or "women" are manipulative.

A