To stay in the us

A U.S. citizen may petition for a sibling to obtain a green card; however, the wait time for this category is approximately 14 years due to visa backlogs. If you’ve been in the United States for 40 years without lawful status, you likely would not qualify for adjustment of status—even if your priority date becomes current—because eligibility requires that the beneficiary has not accrued unlawful presence. Based on this, it appears there may not be a viable path to lawful permanent residency through a sibling petition.