Nostr is FREE. That means that people you disagree with will come here and say things you disagree with. People you think are harmful will espouse what you think of as harm here. People with political viewpoints that you despise will loudly proclaim their views here. People with sexual or religious viewpoints that you despise will loundly proclaim their views here.

If you don't like that, if you feel like you need to stop them, you are in the wrong place.