I highly suggest that you don’t contribute her losing her job. I will not change your situation and more then likely make matters worse.
She’s rubbing it in your face because you’re allowing her to rub it in your face. I would 100 percent ask her to move out. I would pack all her $hit in the master bedroom and move it into the guest room or garage. Have you spoke to a lawyer?
She doesn’t respect you so you need to take actions to command respect.
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“Don't chase people. Be yourself, do your own thing and work hard. The right people - the ones who really belong in your life - will come to you and stay.”- Will Smith