Is there a question lurking around in here?

You should call the cops. Technically there is a very expensive procedure you could use to evict this neighbor yourself, but I have never seen a...

Is it legal for a private building owner to raise rent after lease was signed?

While it would be necessary to see the lease, broadly speaking, no this is not legal.

Would it be upheld if the tenant agrees in writing that the landlord could use part of the security deposit for legal fees?

No, that is not a proper use for a security deposit. Being a landlord is an expensive business.

Can a tenant get two adjournments to find counsel?

There are no hard and fast rules here. The court has tremendous discretion.

You do NOT need what you think you need. Deal with your landlord, not pre-emptively with your employers and others. Consult with general counsel...

Can i take possession on this house?

No, you cannot take possession. The "rights" you have from a scam artist are no rights at all.

How can I make my roommate to leave the apartment?

These are two questions. As to removing the tenant, it depends on the lease. As to an order of protection, go apply for one. You likely have grounds.

I am

Your answer to the holdover should set this forth, but in the final analysis, it's not actually a defense to the holdover UNLESS you can show the...

Can landlord keep security deposit in a two year stay apartment but changing the color of carpet in all apartment anyway?

This is a matter of proof. Mr. Jennings is correct, but carpeting is one of the few things that you might actually have pictures of anyhow, family...