You can depart and look for jobs from outside the U.S. Once you depart, you can only return upon approval of a new petition.

You can pursue study on F-1. Change of status application can be filed or you can seek a visa at the Consulate and enter on F-1. Consider wait...

It is best your friend post his questions himself. Considering s/he is on H-1B, I am assuming s/he is educated and conversational in the English...

Any role you take up with involves job duties is "employment" whether paid or not and will adversely affect your status unless it is supported by a...

Hope you saved a certified copy of your criminal record as you will need this for your visa application until you naturalize.

The devil lies in the detail. Your arrest record will have to be reviewed to consider what damaging info is available on record and also...

The original goes to the attorney if you had representation. If not, call the I-800 number and inform them so they can correct their error.

It is possible to have a company you own petition your H-1B if it meets the requirements. There are some considerations to such self sponsorships...

Can USCIS go based off my income? Yes, spouse is primary sponsor and your income will be considered.

Either way, your visa was not cancelled for a reason and so it will not affect your visa application adversely.