Notes from the Underground was written at a time when the plight of the lower classes was finally being recognized in Russia. The Underground Man himself, while not of the lowest class, does consider himself impoverished, much to his embarrassment and resentment. Many of his attempts at revenge are simultaneously driven and thwarted by his social standing as compared to that of his enemies.
In the Underground Man's view, moral and intellectual superiority ought to be synonymous with social and financial superiority.