duty
noun
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”
work that you are obliged to perform for moral or legal reasons
“the duties of the job”
a government tax on imports or exports
“they signed a treaty to lower duties on trade between their countries”
Synonymstariff
Source: WordNet 3.1, Princeton University
