All of the characteristics the teacher hopes to embody and demonstrate:
A descriptive illustration from F. M Alexander's book "The Use of Self":
I did not wish to make him a pupil unless he was prepared to work with me on the basis of correcting his misconception of misuse generally as the primary step in remedying his defects....I could promise however that if he decided to come to me and I was successful in making certain changes for the better in his manner of using his mechanisms a change for the better would also come about in the functioning of his organism and his <specific difficulty> would tend to disappear in the process.
How could this passage apply to the trumpet student?