Noun

• S: (n) duty, responsibility, obligation (the social force that binds you to the courses of action demanded by that force) "we must instill a sense of duty in our children"; "every right implies a responsibility; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
• S: (n) province, responsibility (the proper sphere or extent of your activities) "it was his province to take care of himself"
• S: (n) responsibility, responsibleness (a form of trustworthiness; the trait of being answerable to someone for something or being responsible for one's conduct) "he holds a position of great responsibility"