Aaron is talking about compassion in the classroom and practices that he’s learned.
In particular there’s meta, “which is performed by forming the image of individuals or groups of individuals and wishing them well-being and happiness”, and tong-len or “the ‘exchange of self and other'”.
Beautiful stuff, reminds me of the kind of things that Rinvolucri and the whole Humanising Language Teaching thing set me out on when I was teaching English… I crave going back to it sometimes!