You would have to have access to the same computer that he uses to access the account but one option would be to install a keyboard tracker of some type. Actual Spy is one that I use to keep an eye...
its not possible find some one email ip address, you can only get an ip address for the main domain like face book individual persons means you cant but you can get face book ip address details about...
Yes, if email contains a real name of that person. You can then go to WAATP.COM and find more informations about that person, including his physical address and even his phone number.