How to collect payment in full for dj services not rendered?

All depends on the term of the contract. Was anything in writing ? Was there a refund policy ? Depending on terms, you may be able to go to small...

It's a contract, but venue should be at your local since that is where contract was to be performed.

Re Entry Permit (experienced immigration answer please)

Potentially, yes. Most are approved for 2 years, although it is up to uscis discretion to approve for shorter period. At expiration, you can apply...

Misdemeanor show up on a background check for employment?

Depends on the nature of the background check, and nature of the employer. Note that California law in general prohibits an employer asking a...

Can I find out if someone was using my information. For employment

Not allot of details in your post, but if you know who the employer is, contact them. Otherwise, call police.

Your employer can make the business decision she did. Nothing illegal about it.

Is it true that I was violating the immigration law because I left my husband 1 week ago?

No, but you should find a local immigration attorney to help you with your next steps.

How I can apply for canadian immigration?

Contact the local Canadian consulate nearest you.

How can I save my job or sue my employer for wrong full termination ?

If you don't have a valid employment authorization, frankly your employer has no choice but to end the employment relationship.

Are Male-only programs allowed?

Same answer as to your other question...