As you are not a party, you can't "serve" anything. You can voluntarily provide it to whichever side you wish.

Of course they can. And will...................

While you have not asked a question, IMO it will be difficult to pursue this in court, as you have no damages to sue for. You should take it up...

I can't speak for other attorneys. I wouldn't.....

Nothing in your post indicates a lack of decorum.

Your teacher is not required to fill up your water bottle. Good grief.

Is there a way to request it be removed so the public doesn't have access to view it? Call and ask.

I agree with Mr. Green. I have tried a lot of cases. When someone says they have a great case and have already done the research, I decline.

IMO you can sue him for divorce, but that is all.

Call the lawyer that issued the subpoena. We certainly don't know.