Can you "friend" people that you think are helpful on sololearn?

Question

If so, then how?

Answer 1

Following them is an option. This shows their recent updates in your feed.
It's on the top right of the profile screen. Next to the 3 dots

Answer 2

Follow , engage in conversations in posts and influence their work

Answer 3

You can only follow them, let's hope sololearn does add that feature on their next update.