obligation — something by which a person is bound or obliged to do certain things, and which arises out of a sense of duty or results from custom, law, etc.
accountability — the state of being accountable, liable, or answerable.
answerability — liable to be asked to give account; responsible: He is answerable to a committee for all his decisions.
liability — liabilities. moneys owed; debts or pecuniary obligations (opposed to assets). Accounting. liabilities as detailed on a balance sheet, especially in relation to assets and capital.
responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.