Actually, there is an alternative, and it doesn’t necessarily involve much capital upfront. Microlending something to the mother for HER to start a business of some sort might be a better option than approaching the dad. Once mom has her feet under her, and dad sees that it’s possible to make money without breaking the law, then is the time to get him in on it. Give him funding now, and all you’re likely to do is fund better forays out into theft of property, which isn’t what you want to do. (Obviously, if mom is off helping dad fence things, then microlending to mom may not be the best option either…)
I think the best ideas I’ve heard so far on this thread involve helping the mother (or father) become more able to support themselves legally, keeping in as close and supportive contact with the girl as possible, and starting a fund of some sort in her name for her to use only for education and making sure the girl KNOWS ABOUT IT and what it’s for. Sure, maybe she’ll end up with a baby at 13, but she may also realize at 19 that there is a pre-paid trip to a better life just sitting over there with the local priest, and by that point, it may still make her life better, just not on your original timescale. If your goal is to make her life better, then give her as many (and varied) chances to get to “better” as you can manage.