Will I get my child father in trouble when I give birth?

As prior answers confirmed, it is possible he can get in trouble. By asking your question in this forum, you are taking the correct steps of...

Your friend should have his parents or people close to him retain an attorney immediately. As indicated by a prior answer, self defense is...

As the prior attorney's stated, stop posting about this subject IMMEDIATELY! Contact a skilled defense attorney in your area immediately and...

Can I go to jail for this harassment this person file against me?

This depends on the specific emails. It is highly unlikely that you would go to jail in any event, however the best thing to do is let her know...