u/HatPuzzleheaded749

I need help, I have a narcissistic friend, that has no personality and just makes fun of people for a living. I'm thinking of blocking them in the holidays. but the problem is my other friends (we are one big friend group) are friends with this person and they knew them before me, plus the definitely prefer them over me because they find them "fun" or whatever but if I tell them about how they treat me they won't believe me, what should I do? I can't stay any longer with them they are making lose my shit, please help me!

ps . I have one more year left until I graduate so that's why I can't tell them