Mistreated Lady

I have may sister who lived with may cousin for good one year, he brought him to assist him after that to  take him to train hair salon, this was the agreement that she made before may parenty.
In fot ,that it came a time and she refused him she mistreated by now by now she no stand I mayself I have tried to cofort him but i ben not able to help him to fill is needs.

Location: Soweto/Bahati, Nairobi, Kenya