My Brother 36 Year Old Is Very Lazy, Hates His

My brother 36 year old is very lazy, hates his mother and sister, mother is a cancer patient, doesn't allow sister to stay with mother does not allow to clean bathroom with broom or brush if it is done he reacts by throwing soap water everywhere so that we sleep and fall only listens to aunt who encourages him to behave in this manner eats too much and very suspicious.