"Ο Αρχοντοχωριάτης" by Molière is a five-act comedy-ballet written in 1670. The work satirizes social climbing through the story of Monsieur Jourdain, a wealthy middle-aged bourgeois who desperately wants to be accepted as an aristocrat. He hires teachers in fencing, dance, music, and philosophy, constantly making a fool of himself while pursuing his grandiose dreams. When his daughter falls in love with a middle-class man, Jourdain refuses the match, hoping instead for nobility. A clever disguise scheme ultimately teaches him the consequences of his megalomania.
Wikipedia page about this book: el.wikipedia.org/wiki/%CE%9F_%CE%91%CF%81%CF%87%CE%BF%CE%BD%CF%84%CE%BF%CF%87%CF%89%CF%81%CE%B9%CE%AC%CF%84%CE%B7%CF%82