For Tikkun Olam, the court requires a creditor with a lien on a slave who was subsequently freed by his master to additionally free him as "shidduch insurance" for his children • The master who frees this slave must compensate the lien-holder for impairing the debt • When are small sins warranted to prevent great sins? • When will the court require one to sin? • Is there a mitzvah in participating in a Minyan? • The Magen Avraham is puzzled by the Ran; if self-interest motivates the emancipation, how is freeing a slave for a Minyan sinful?