Guaranteeing Injuries Caused by Doctors, Players, and Teachers

The questioner:
My sister, the Shaykh, regarding the injuries caused by teachers, doctors, or workers.

The Shaykh:
What?

The questioner:
The injuries caused by teachers, doctors, or players, some of them by others; what is the ruling on them?

The Shaykh:
A skilled doctor is not liable for what his hand causes if he is skilled; he is not liable. However, if the doctor is not skilled, or the surgeon is not skilled, he is liable for what his hand causes; he guarantees it, because he is not permitted by the Shari'ah to practice medicine, unlike the skilled doctor or the skilled surgeon, who is permitted by the Shari'ah to practice medicine, so he is not liable for what he causes, as long as he does not exceed the limit, as long as he does not exceed the limit.
As for the player, and these do not guarantee [liability] because the player is not permitted by the Shari'ah, so he guarantees [liability]. The boxer who injures, or the ball player, if he hits a person and injures him or kills him, he guarantees [liability], because this is not permitted by the Shari'ah. Yes. And the teacher? If the teacher acts in the capacity of discipline, he is not liable. But if he hit her or exceeded the limit without it being discipline, then he is liable. The teacher is not liable for what resulted from discipline, but what exceeded the discipline, or what was not discipline but rather transgression, he is liable for it like anyone else. Yes.