What can I do on the Recruit tab?

This is where all the clan-based recruitment takes place. If you are not in a clan, you can find messages that say "Looking for new members." and join a clan from here. You can also tap the "Find Clan" button at the bottom to post a message that lets players know that you are looking to join a clan.

If you are in a clan, you can find messages that say "Looking for a new clan!" and invite new players from here. You can also tap the "Recruit Members" button at the bottom to post a message that lets players know that you are looking for players to join the clan.