An illegal alien.
A person with an expired visa must apply for a new visa prior to applying for US citizenship. You can't apply when you have an expired visa.
I'm afraid not
No he must have to renew his visa by applying again.
No. You cannot get USA work visa from Dubai even though you have been in Dubai on work visa and the visa expired.
He can stay in the country if an American marries him, and stays married to him, for six months, and then he gets a life long citizenship.
No. The person is still subject to the terms of the visa. If the person with the work visa marries a US citizen, it shortens the residency period needed to apply for naturalization, but still does not automaticaly change the visa.
If you are inside the United States with an expired visa of any kind, you are considered illegal.
Yes you can. And once you marry the person becomes legal
Yes you can.
You need to update your visa first.
did they do something wrong? If not, don't report them. Besides, learn how to phrase a question. "Illegal immigrant expired visa" means there is such a thing as a visa for illegal immigrants. What I think you meant to ask was, how do you report an illegal immigrant who has an expired visa.
You can stay in Sweden for 3 months without a visa.