If the student has been doing the experiment from the start but he can not write or does not want to write, then it is probably better to check with him also about your proposed arrangement. Of course, you don't have to worry about his supervisor, but if the student is upset, it can also cause you a lot of emotional mess.
If the student has been doing the experiment from the start but he can not write or does not want to write, then it is probably better to check with him also about your proposed arrangement. Of course, you don't have to worry about his supervisor, but if the student is upset, it can also cause you a lot of emotional mess.