Driving with learners permit says before getting license?

There probably isn't any loophole about that.

Am I entitled to back pay?

See https://www.lni.wa.gov/workplacerights/. Beyond the legal regulations, employment is a matter of contract.

How would I go about talking about this case?

Drivers of automobiles all have a duty to watch where they are going.

Is it compulsory to pay the remaining year fees if you wish to drop in between ?

It isn't entirely clear from your statement what your question is about.

PEMCO is not covering engine failure?

In your discussions with the insurance company, you might want to mention the possibility of complaining to the Insurance Commissioner:...

Information on taking some one to small claims?

See https://www.clark.wa.gov/district-court/small-claims-information.

See RCW 11.98 - 108: http://app.leg.wa.gov/RCW/default.aspx?cite=11

Do you get do age discrimination suits?

Complain to L&I: https://www.lni.wa.gov/workplacerights/

Can I be charged with a crime if I am power of attorney for my mother and she gives me money?

If a gift was given to you (by a person competent to make such decisions) with donative intent, then it is yours.

Was i-94 form issued for F1 visa holder back in 1978?

Apparently, you can get a replacement: https://www.uscis.gov/i-102