the legal duty of a fiduciary to act in the best interests of the beneficiary
designed for heavy work
under a moral obligation to do something
a person who holds assets in trust for a beneficiary
exempt from duty
the social force that binds you to the courses of action demanded by that force; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
work that you are obliged to perform for moral or legal reasons
a government tax on imports or exports