Is there a good word for when a member of a group is biased against the group that they're a part of? > I wouldn’t want to work in a place where management is

Is there a good word for when a member of a group is biased against the group that they're a part of? > I wouldn’t want to work in a place where management is close to my age without a gold-plated guarantee they share the “Let’s try it and see” outlook of younger companies.