How can I safely escape an abusive parent without abandoning my mom?

My dad's abusive. On Tuesday he got drunk and got into an argument with me. He threatened me. I spat in his face, and he hit me so hard he broke my finger.

We had fights like this since I was young and I still live with him and my mom. I really want to get out but I don't want to leave my mom behind and I am worried I won't hold a stable job.

I hate my life.

How can I safely escape an abusive parent without abandoning my mom?
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