Post and use hashtags accordingly. Follow those who reply and check out who they follow. Search hashtags of interest and follow those and you'll find people with similar interests. Nostr was built by people who see bitcoin as a beacon of uncorruptibility which is hope for a new and better system. If not a bitcoiner, dont be put off by it and the occasional toxocity, rather, try a little curiosity follow a few people who try to explain it well and see what you conclude. Recommend finding some good humour too!