Mama pima benefit and loss

In our village their was a mother and father and their three sons and one daughter. The father had a job at embu whereby he comes at the end of the month. Her wife was mama pima who sells alcohol. One day her wife had another husband who comes to the house and sleep with him. The neighbour noticed the plan because she had captured village youths who work for him and also be her husband They draw a path to the husband and she come home and caught the boy into the house sleeping. The neighbour helped him that the wife had HIV/AIDS and when he returns he shouldn't came back again instead marry another wife. 

Location: kitale, Trans-Nzoia, kenya