Ausgelacht und reich zurück

Admitted to college, Zia Sheen watches Uncle Shawn refuse a loan and Aunt Gwen shame her, though her father once emptied his savings for Uncle Shawn. Third Uncle sells his two oxen to send Zia away. Years later, Zia returns successful, helps her parents and Third Uncle, hires Jalen Sheen, but won’t fund Uncle Shawn. How long can she stay polite?