Role noun – The action for which a person or thing is specially fitted or used or for which a thing exists. Ignorance is an antonym for role in impersonation of a character topic.
The Lilians believe that witches must lift humanity out of their ignorance, providing magical aid and education to the Muggles, but some Lilians are willing to take a more active role, such as toading corrupt politicians.
With a company rife with accounting irregularities and professed ignorance of wrongdoing by subordinates, Frobisher is a take on Ken Lay; UNR's manipulation of the energy grid by traders to rack up huge profits fictionalizes Enron's role in the California electricity crisis of 2000-2001.