Upon expiration of I94, without extension approval, all EADs are triminated.

A USC may marry a foreign woman who has 17 years old daughter and file separate I-130 for them. If daughter is 17 and unmarried, she is considered...

It's very difficult to say without reviewing your documents, it may be possible to know with a USCIS decision.

Yes, it is possible to adjust status if once was deported and now with a valid I94.

Yes, get another lawyer. Working with EAD is authorized not with EIN.

Yes, you can return to US on H1B visa if stamped visa expires in one week.

Probably not. US citizens have the liberty to live where they choose.

Part of your cruise plan should include speaking to cruise lines officials about visas information and requirements for the itinerary.

There may be the problem of "Immigrant intent" but nevertheless possible.

180 days is recommended after I485 approval to change employment.