Answer:
Citizen's duty represents the moral commitment of the citizen, imposed on someone to perform a morally, legally or professionally right action for the work, superiors, elders, etc.
Responsibility represents the liability accepted by a person, as a part of his job role or profession.
Explanation:
Citizen's duty is a binding force that implies an obligation or moral commitment which we are expected to perform. A duty refers to an obligatory action in general or specific situations.
Responsibility makes us in charge for the completion of the tasks that we accept within our job role along with the consequences which can be positive or negative.