When you are using the word of "aajaan yai" "aajaan yai" อาจารย์ให*่ has got 2 meaning : 1. A principal teacher ( not easy, need experiences) 2. A donate body after death for medical research and education such as anatomy class( no need experience at all). P.S. 1.I can not be a pricipal teacher. 2.I would like to donate my body. BTW I am not in hurry!