Yeah, I’d look for ways to remove her emotional and any financial dependency on him.
Sour jars and cord cutting, with the intention let her see her situation clearly and think with her head so she can make the best decisions.
Him coming back and moving in sounds like a polygamous disaster. Who’s bed does she really think he’ll sleep in? What if he just wants to use her for free rent? Why isn’t he inviting her to stay with them in Africa? Africa’s a great country and a lot freer than Aus right now.
Amon is great. There’s lists of what entities specialise in what in the way of love magick here.
I also like Leraje for mental strength.
He abandoned those kids a long time ago, but he can be in touch the same way his now, if he is now - I don’t imagine like a working man with another family is making too many international phone calls.