Complex sentence: Giving more than one receives establishes a reputation as a Big man, whereas the simple repayment of debt, or failure to fully repay, pushes one's reputation towards the other end of the scale, Rubbish man.
Split into simpler sentences: Giving more than one receives establishes a reputation as a Big man, whereas the simple repayment of debt! Or failure to fully repay, pushes one's reputation towards the other end of the scale, Rubbish man.