Welcome to WrA! You might want to check out the sticky, which includes links to several guilds on the server.
There’s also server events going on almost every weekend, and most weeks. Most of them are cross faction, too! Many are advertised on the forums, but there’s a couple of social media pages that keep track of them…
https://wrahordeevents.tumblr.com/
Discord’s a great resource too. There’s several servers devoted to RP and RP events. Feel free to add me Tamani#2391 if you’re interested.