If you see the potential in yourself, consider working with a prop firm.
This is an option, however the online prop firms like Topstep and Apex aren't very suited if you don't have a strategy yet due to their rules, i doubt building a strategy around those rules isn't going to bring success in the long run. And even then, those kind of firms are hamster wheels, a beginner will like never succeed there with all the extra rules.
Real prop firms that provide education are probably going to ask him to be there full time without any pay for the first like 6 months at least, depending on your performance, with no guarantees for success either. Doesn't sounds like that would be working with his job to pay his bills.