If your sibling is taking advantage of your parents, you need to speak with an attorney that deals with elder issues. He or she may be able to help you as well. Yes, attorneys do cost money, but some do offer free consultations. You can locate one through the attorney locator on Lawinfo's home page at
http://www.lawinfo.com/. You can also contact your state's bar association for a referral to a low cost or legal aid office.