Well, they monitor your progress, to judge if it is safe and wise for you (and us) to continue deeper into spiritual training. And they give you encouraging answers to your questions.
combined with Philip's longer one, and the other input has helped.
Each person in different, but I'll clarify where I was coming from with my question, in case it helps one of you in presenting this information to someone in the future. When I read that "tutors" were available, despite having lived most of my life in the UK, I did at first think that this person might me marking my essays, or something. That would have been fine by me, I'm sure I would enjoy this kind of relationship, although I agree that it's debatable whether it would further me spiritually more. or less, than the system which exists.
Philip - you are right that words are blunt instruments at times. However, that's why, in describing something in writing, it's wise to define your terms, and then, if needed, define your definitions! If I were to go back and read the information on the website, I might find that you have done this, and that I should have read more carefully.