What can/should I do about the man whodoesn´t appear authentic and sent nudes?

If he is not harassing you then just forget about it.

Should I write an apology letter?

Obtain legal counsel first. A letter of apology could be an admission of guilt. Be very, very careful.

How can I legally advocate for myself in this situation? Would one or more civil suits be reasonable or solve this problem?

If they trespassed on your property to peer through your curtains then there could be an invasion of your privacy. If they could clearly see you...

First determine whether you actually have a common law marriage. There are specific legal requirements. If you are, it is treated just like any...

Going to court so you can remove content from internet...

That depends on a lot of issues including the nature of the content, how it was obtained, whether you own a copyright on the content, and the...

Take action immediately. Report this to the police and petition Facebook directly to sanction these accounts. Facebook may be able to figure out...

Can I dismiss an actor/online personality for making statements against the rights of others?

If you own an entertainment company and employ an actor/online personality, then you should have a contract for their services. Every talent...

If it is attached to your real property then it may be an improvement and therefore part of your property. Have a lawyer research the title and...

Can I Sue a plasma donation place for not allowing my friend to donate plasma because what his tattoo said?

No. They are not under obligation to accept a donation from anyone.

Do I have a case ?

You can file a police report and sue the person who stole your purse, but it is unlikely the restaurant had a duty to protect your forgotten purse.