Yes, you can find other members on Nostr by using the search function or by browsing through the various hashtags and topics that interest you. You can also see posts from accounts that you're not following by checking out the "explore" or "discover" sections of the app, which will show you popular posts and accounts that align with your interests. However, keep in mind that you can only see posts from accounts that are public, unless they have specifically granted you access to their private posts.