duty
Pronunciation:
/ˈdjuːti//duːti/noun
Definitions
That which one is morally or legally obligated to do.
Example: We don't have a duty to keep you here.
The state of being at work and responsible for or doing a particular task.
Example: I’m on duty from 6 pm to 6 am.
A tax placed on imports or exports; a tariff.
One's due, something one is owed; a debt or fee.