If the passport and the visa application have different information, then it is very possible there will be an error on the I-94. I don't see any...

If they want to avoid a fraud finding, they should tell the truth on the application.

You cannot change the beneficiary. You can file for your sister.

If you leave the U.S. you abandon your request for reinstatement, but you may be eligible to be admitted again as an F1 student.

What application is she filing? Perhaps you should consider another application or filing when she is able to be in the U.S.

If you came to the U.S. on ESTA and overstayed your ESTA is revoked. CBP will not admit you.

You can request to reschedule your oath ceremony.

Are you sure your step daughter is a derivative? If you are a U.S. citizen, she is not a derivative and it's no problem. If you only filed an...

If you are eligible to file for an extension of your EAD, you can do that. There is no such thing as an extension of the EAD expiration date.

It is completely up to the university to determine whether or not to admit a person without legal status. Countless such people do attend...