As a green card holder (permanent resident), you may petition for certain family members to immigrate to the United States as permanent residents. ... File Form I-130, Petition for Alien Relative; Provide proof of your status to demonstrate that you are a permanent resident. read more
Only a U.S citizen can file for a green card for his siblings, spouse, parents and kids ( provided the status before and after filing should remain the same). A green card holder can only sponsor the green card of their unmarried kids and their spouse. No siblings or parents. read more
As a legal permanent resident, your brother or sister should receive a Permanent Resident Card (commonly referred to as a 'Green Card') that will prove that your brother or sister has a right to live and work in the United States permanently. read more