I went West and took part in the strike of the machinists - the Southern Pacific Railroad, the corporation that swung California by its golden tail, that controlled its legislature, its farmers, its preachers, its workers.
Tell him, on the contrary, that he needs, in the interest of his own happiness, to walk in the path of humility and self-control, and he will be indifferent, or even actively resentful.
Once a novel gets going and I know it is viable, I don't then worry about plot or themes. These things will come in almost automatically because the characters are now pulling the story.