Thread starter is right ... in the title of the thread.
Now all the ideas in her post are trash, because the actual skills that you need as a mentor are what a kindergarten teacher or customer service operator need: immense patience, empathy and ability to tolerate inane questions forever as endless stream of clueless new players join in (who are not guilty of anything but being curious about the game itself).
But those cannot be measured ingame so like, whatever right? But savage clears are not going to help you a lot when the 100 000th sprout asks you where [a setting option] was in the menu.