The artist role is to entertain, like modern day court jesters. It is impossible to take these self-centered people anywhere near as seriously as they take themselves. And they wonder why taxpayers remain opposed to public funding for the arts...
Art is a function, i.e., a thing, the purpose of which is to offer its characteristics for observation.
If we agree on a set of criteria, we can talk about whether sush a thing is good art or bad art.
The role of an artist is to make art.
If you're making a political statement, you're an editorialist, not an artist. If you're worrying about your "role", you need to find something to do that suits you better.