Backoff from doing housework and stressing yourself out, if you're not allowed to hire a maid, spend all your time with your kid with minimal involvement in anything else and everyone will sort themselves out soon.
It is easier said than done. If she could do that she would not open a thread here . Give her some practical advice please.
She is a rabbit being surrounded and hounded by a group of .............. you know what .
I am at a loss as her husband is not co-operative either. They have no respect for her parents she is in such a rabbit hole. May Alllah help her and make her life easy. Ameen.