definiens: means, as to any Person, any direct or indirect liability of that Person, whether or not contingent, with or without recourse, without duplication, with respect to any Debt, lease, dividend, letter of credit or other obligation ( the ) of another Person ( the ), including any obligation of that Person ( a ) to purchase, repurchase or otherwise acquire such primary obligations or any security therefor, ( b ) to advance or provide funds for the payment or discharge of any such primary obligation, or to maintain working capital or equity capital of the primary obligor or otherwise to maintain the net worth or solvency or any balance sheet item, level of income or financial condition of the primary obligor, ( c ) to purchase property, securities or services primarily for the purpose of assuring the owner of any such primary obligation of the ability of the primary obligor to make payment of such primary obligation or ( d ) otherwise to assure or hold harmless the holder of any such primary obligation against loss in respect thereof