The most common questions asked by new people on here seem to be about how to make more connections with other accounts. Here are a couple of guides that might help:
How do I discover accounts to follow on Mastodon and the Fediverse?
➡️ https://fedi.tips/how-do-i-find-accounts-to-follow-on-mastodon-and-the-fediverse-how-do-i-find-my-friends
How do I make my own account and posts more discoverable?
➡️ https://fedi.tips/how-do-i-get-more-followers-on-mastodon-and-the-fediverse
You don't have to do all the suggestions on the lists, but the more you do the more effectively you'll make connections with others.