I want revenge, someone help?

[Kabagoge]

Im 13 and I got involved with a club. The club is for "community involvements" and for helping the public. Well I quit that group because of reasons:
1. They won't accept my belief in religion
2. They talk about me when I'm not there
3. They created drama on me (They said I had no right to make an email and it blew up over Facebook. Even though I had every right to make an email for the group because they told me could)
4. The adults are mean, don't care about children.
5. Almost everyone in it was a misfit
6. They all hate me because I like the color yellow
7 My political views are wrong.
8. There was never once any help to the community
9. Nothing ever happened (everything got postponed, then forgot about.)

Now that I quit they spend their meetings talking bad about my beliefs and me for like an hour.
Someone help me, I want to tear their group apart, how do I do that? (Don't convince me not to.)