just dont talk to them
Talk with your parents and ask them some suggestions. Help your sibling make friends, besides yours, and get some interests.
No. The correct spelling is narcissist, from the Greek myth of Narcissus.
handsome passionate good at archery narcisist
you've just created it. it means a self absorbed thief.
when a sibling is jealous of another sibling.
I think it is. My father was that way - he NEVER had any patience!
Yes, the executor of the estate can make decisions such as this. it is usually best to talk it through if you are on good terms with your sibling.
When you don't want to talk to somebody, tell them. Do it politely, but don't make up excuses. If you don't want to talk to a parent or sibling, you will eventually have to talk to them again, so think about that and let them know when you will be ready to talk.