How does Erewhon Revisited develop the theme of Social Class and Ambition?

Erewhon Revisited by Samuel Butler develops Social Class and Ambition across the chapters the companion marks for this theme.

Higgs's rise and fall in public esteem, his poverty as a pavement artist, and the social maneuvering of the Professors illustrate how class and ambition shape reputation and opportunity.

The father's fall from grace after being revealed as a 'mere nobody' illustrates the role of social status in determining success and recognition.