Maybe I'm mis-reading the instructions, but to me it's not clear whether I am supposed to write something that actually navigates the maze, or whether I'm supposed to write something that returns the right result when someone else tries to navigate it, or what... Afraid I'm quitting this one as I agree that it just doesn't make sense. Might be me though

If you know user's name, you can find him and them click "Follow" to follow :)
https://www.codewars.com/users/<user_name>

Pffff
Just why?? Codewars!

You can't. However, users automatically become allies if they have the same clan tag, or if they invite each other.