no.
how do you file for a legal separation in the state of NJ
You file for a legal separation which will divide money and property and if you have children, visitation rights. Then you decide if you are going to divorce and proceed with that.
yes
If the separation is legally binding, then no you can not file adultery. If there is no legal separation, you can claim that you were working on your marriage then with a lawyer, you can file adultery.
You cannot use the Domestic Violence laws to leave your husband. They will only offer you temporary legal shelter you from his physical presence. You must still file for legal separation (if available in your state) or a divorce, through a separate legal action.
no, make him legal, it will make your life alot better. \ He needs to at least become a resident alien and get a Tax Identification Number of some sort.
As you have four children it is better to get a divorce once and for all, then a legal separation. It will solve you problems later on.
You can file for divorce even if your husband was still living at home. However, divorce laws vary by state.
It depends on which county you live in, as to where to obtain and file. For instance, for Placer County - see the below link:
File for separation, and change the locks; if he makes trouble, call the police.
File a motion to enforce and contempt of court.
Yes, but you can file an injunction see link