Duty and Noblesse oblige

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

Noblesse oblige and duty are semantically related. In some cases you can replace phrase "Noblesse oblige" with "Duty", this terms are similar.

Noblesse oblige noun - The obligation of those of high rank to be honorable and generous (often used ironically).

Duty and noblesse oblige are semantically related. You can use "Duty" instead a noun phrase "Noblesse oblige".