I would suggest looking into having your stepfather petition for you, but before doing anything you need a thorough consultation with an immigration attorney to see what your options are. Best of luck.
I would need more facts to be able to provide you with a complete answer. If your entry into the US is illegal you may have a very difficult time gaining legal status here in the US. Please seek an attorney and provide all information with regard to your entry into the US.
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You need to consult an immigration attorney. Your unlawful presence doesn't begin accumulating until your 18th birthday. Your step-father may be able to petition for you but such a determination really involves a lot more information that can be given on AVVO.
Your question requires a consultation - if you cannot afford an attorney contact Catholic Charities - Immigration legal services in Dallas and inquire about their free pro bono services; goto
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