What is the theme in The Stationmaster by Aleksandr Pushkin?

Closely related to the theme of class conflict is that of wealth and poverty. The station is described as "humble but neat." The pictures illustrating the parable of the Prodigal Son at the station show an old man giving a young man a bag of money. After spending the money wastefully, the young man is destitute. He then returns to his father, who welcomes him back.