noun
duty
DOO-tee/ˈduːti/
A required task or burden.
The crossing guard's duty is to guide a child across safely.

Etymology
An obligation is understood as something owed: duete belongs to the family of words meaning “due.” What one owes can be service or proper conduct, not just money.
In context
the Quran takes great emphasis to emphasize so great takes great pains to emphasize that the rich have a moral duty to care for the poor
More examples
- Her duties include answering calls and scheduling appointments.
- We have a duty to report unsafe conditions.
- This pump is built for continuous duty.
Forms
duty · duties
dutiful adjective — Careful to carry out required responsibilities.
Similar words
- obligation
- Emphasizes a binding requirement, whether moral, legal, or contractual.
- responsibility
- Emphasizes accountability for a task or its outcome.