How do I get someone to stop posting to me, in my threads, etc.?
Your not wanting another to respond to "your post / thread", is not one of those exceptions or qualifications.
Every member has as much right to respond respectfully to threads here, as you do.
If you don't want to read / hear / see someone else's posts, put them on ignore.
If you feel someone has violated a rule, which is a different issue, report it.
If you have more questions, just ask.
Much Love and Peace.