How does Caddie’s father help her change?

Mr. Woodlawn and Caddie both explicitly mention how doing good work should be a source of pride. Possessions won by “good sense and industry” are of more value than those accrued by birthright. Obediah Jones, although introduced as an unsavory sort, redeems himself through his actions — the work he does. Hard work is almost synonymous with character in Caddie Woodlawn.