Where do a 56 year old woman in a mentally abusive marriage go for help?

I've gone to support groups, sought out legal aid help for a divorce but here in Georgia, I've been told they only can help women with small children. I've tried to find work, to no avail, need to brush up on my administrative skills, but the government programs here in GA won't allow me to participate, and my spouse refuses to support me financially,if he gives me one-red nickle I have to pay for it by swallowing his verbal abuse. I stay isolated in one room with the door locked just to feel safe from being verbally and mentally abused. I'm tired of feeling like a prisoner in my own home, I've even called the domestic crisis line because I feel so in distress, what should I do?