What options if any, that person has, in unknown, as there are not enough facts in the posting.
You should retain an experienced immigration lawyer to review all the facts and advise you accordingly.
J Charles Ferrari Eng & Nishimura 213.622.2255 The statement above is general in nature and does not constitute legal advice, as not all the facts are known. You should retain an attorney to review all the facts specific to your case in order to receive advise specific to your case. The statement above does not create an attorney/client relationship. Answers on Avvo can only be general ones, as specific answers would require knowledge of all the facts. As such, they may or may not apply to the question.
there are two predominant routes to a green card, that is, permanent resident status, through close family or through employment. You and your friend should visit the USCIS web site to gain more information. There are also American Immigration Lawyers Association members in Australia who could talk to her about immigrating. See the links below.