Is your feature request related to a problem? Please describe.
Yes, the current problem is, that when you go to the comunity page and then to the For You tab, you also get recommended users, who you're already texting with. Yes, they they are learning the same language as you, but you already know them, so why recommend them?

Describe the solution you'd like
I haven't looked into the code that deeply, so I don't know where the data is coming from (the API or Appwrite directly), but the simplest solution would be to only get those users, who you're not texting with yet in the For You tab.