Duty and Role

Duty noun - A charge usually of money collected by the government from people or businesses for public use.

Role is a synonym for duty in responsibility topic. In some cases you can use "Role" instead a noun "Duty", when it comes to topics like principle, job, deed. popular alternative

Role noun - The action for which a person or thing is specially fitted or used or for which a thing exists.

Duty is a synonym for role in capacity topic. You can use "Duty" instead a noun "Role", if it concerns topics such as principle, profession, job, deed. popular alternative