The surety's discharge may be accomplished (1) by a variation of the terms of the contract between the creditor and the principal debtor, or of that between the creditor and the surety;[68] (2) by the creditor taking a new security from the principal debtor in lieu of the original one; (3) by the creditor discharging the principal debtor from liability; (4) by the creditor binding himself to give time to the principal debtor for payment of the guaranteed debt; or (5) by loss of securities received by the creditor in respect of the guaranteed debt.