political activity, views, etc. based on identification with an interest group, esp. one organized around racial, gender, or ethnic identity
See identity politics in American Heritage Dictionary 4
noun(used with a sing. or pl. verb)
Political attitudes or positions that focus on the concerns of social groups identified mainly on the basis of gender, race, ethnicity, or sexual orientation: “However, identity politics, whether in the guise of nationalism, feminism, or some other form of political expression is on the defensive these days”(Clarence Lusane).