Whoa Stop Halt
Before you start diagnosing yourself with such a severe illness STOP.
Sociopathy is an illness that usually exists in a person for many years, often starting in adolescence. Now I realize that many of us didn't go through that stage that most teens go through until we left the org but the behaviors and thought patterns should have been there before you left. If they weren't there then I would suspect some other problem - like the normal rebellion against rules that most teens go through has finally kicked in.
Many people who come out of a high control group like the JWs will run wild with the new freedom. That doesn't mean they are mentally ill. They may be swinging to the other end of the pendulum and sowing their wild oats. Eventually it evens out.
Just because a person goes through a period of time when they are self involved doesn't mean there is pathology. You might just be a late bloomer - like a lot of us.
If you do see that the criteria for this or any disorder fits too well for a long period of time then see a professional.
Criterion for most psychological disorders is based on a number of factors being present for a good portion of time.
And if anything, most of us could easily be diagnosed with Post-Traumatic Stress Disorder but again you can't just apply some things and ignore the rest. The criterion for any disorder are very specific for a good reason