You want to go mano a mano with this person? If you call them out, it will thread through the company, and will eventually land back on your lap. And you will

You want to go mano a mano with this person? If you call them out, it will thread through the company, and will eventually land back on your lap. And you will have to deal with a bunch of scrutiny. Keep your head down, and call out when this person is blocking you. Other than that, let it slide. It could end up being bad for you if it goes wrong.