Regarding about an affidavit of support.

It depends on how much money has been claimed and how many people are in the household.

I am in USA on L1 VISA with Company A. Company B is filing H1 B in April.I want to Visit family in June. and back in a week.

Your company lawyer is able to answer your question at no cost to you.

What to do for u visa

U visa is for victims or witnesses of crimes who will testify to help put the criminals behind bars.

Travel on green card.

You can travel to Europe or anyone for that matter with the green card.

I am outside USA , I have refugee travel doc. expired 05/13/2103 but I didn't have green card please can I apply to renewal

You were supposed to get back in before it expired. Consult an attorney.

Hello! My visa was expired but i was admitted with the same visa for two more years .Can I work?

If you have a visa allowing you work, then by all means, work.

Hi I have hepatitis b but I was in a relationship with someone out of the country.

Your disease is not going to prevent her from coming because it is yours not hers.

There is not a deadline to apply for AOS but do not wait to long.

Is it the thing to worry if permanent residency stamp on the passport does not have an alien number (A-num) ?

It is fine, if you have not been assigned an alien number, you will be assigned one. Do not worry.

Is it ok to travel on H4 visa while employer has applied for h4 to H1 COS ?

When you have a complicated issue as such requiring options, it is your clue that you should consult an attorney privately. Good luck.