Send a cease and desist letter from a local attorney. Or take them to civil court and get an injunction and sue for trespass and nuisance.

Attempted to steal a small item worth no more than 5 dollars, got caught and let go

Yes, since the police were not call it is unlikely anything more will come of this.

I was bit by a snake on my break at the clinic I work at and I have had issues I have serum sickness from the antivenin

You did not ask a question. _______________________________________________________________________________

Was caught shoplifting

You probably received a civil demand letter and paid the demand. The DA is formally charging you in criminal court, which is a separate process...

Can I press charges on the school?

You can't "press charges" on the school. You could file a police report.

What are my renter's rights?

Moving is a good idea. In the meantime, get a restraining order and file a police report.

What is my recourse?

The Courts do not have an answer for every situation. This is more of a relationship problem than a legal one.

Is there anyone who can represent my friend as probono?

Every time an attorney takes on a criminal case it costs them something. Attorneys have to pay rent, bar association fees, dry cleaning, parking,...

I would like to know if I can sued someone for taking advantage of me?

It difficult to answer this based on the information in the post. The money you gave may have been "gifts" or it may have been received through...

What can happen if you leave the house and your parents call the police?

Your mother wants to call the police because you went for a walk? Taking a walk is not a crime. Without more information, I cannot understand...