To handle Domineering family member first of all we have to think that we can handle Domineering person or not.
Domineering family member if tells you that go to the market and bring this product then we don't have to say no instead of that we have to go market and being the product so whatever work they give we should work properly.After that they will realize your importance of work for them.
Do whatever work they give do it for few days you will realize the feelings.if you do work properly then they will have faith on us and they will realize on us.then afterwards all people living in the house cooperate you.and afterwards you get the result because I had experienced in my school life when I was sitting in the class and I don't concept on studies and teaches always told me to concentrate on study so she said more than 4-5 times after than I get habit and teacher always have feelings on me.