Can he take the child away from her?

So I’m asking for a friend. Long story short; my friend had a kid with her coworker. He moved in her place, he got cancer and hasn’t worked in over a year. She’s been paying all the bills, rent, taking care of him and the two kids. Recently, her job went outta business and she hasn’t worked for 2 months. For the guy, he just started working about 4 months ago and is better from cancer. But he continues to use her credit cards, her money, go out with his friends, gets drunk, yells at her a lot when the kids are around, doesn’t help out his kid, takes her car without her knowing from time to time. He hasn’t paid nothing at all until last month; only helped pay half rent and that’s it. Now, he’s threatening to take custody of their kid. What are the chances he may get custody or not? I’m tryna help her out best I can. Any advice or suggestions would be greatly appreciated

Can he take the child away from her?
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