parvenus
Parvenu, plural parvenus, is a term of social critique used for a person who has recently gained wealth or high social status and entered a formerly exclusive class. The word derives from the French parvenir, meaning “to reach” or “to arrive,” and in English conveys the sense of someone who has recently arrived in a higher social circle.
Connotation and usage: The term is usually pejorative, signaling ostentation or affectation more than achievement. It
Historical and sociological context: English usage dates from the 18th–19th centuries in satire of aristocratic society.
Variants: The standard plural is parvenus; parvenues is encountered occasionally. In English, parvenu may be used