The apostle Paul said, "Follow me as I follow Jesus." He had enough grip on his faith that he could 'see' Jesus even though Jesus was no longer walking the earth. Paul never saw Jesus in the flesh. He met him on the road to Damascus and, after a bit of straightening out, followed Jesus from that day forward.

If you would like to be a mentor and are looking for a free and useful guide, I recommend Max7's Mentoring Booklet free to anyone and everyone. In the booklet you will find steps to take to become a great mentor and strategies to apply to ensure your mentoring is godly.
Jesus said, "Go therefore making disciples." That's a call to mentoring!
So, get to it. Find someone to mentor you and someone you can mentor in the principles of the Kingdom of God.