How is the charge transferred to the sleeve from the body, electrified negatively; positively?

Let a neutral sleeve be suspended, and a negatively charged stick is brought to it. In the sleeve, free electrons, hitting an electrical zero, will move to the side farthest from the stick, after touching the electrons from the stick will go to the sleeve, neutralizing part of the positive charge, as a result, the sleeve will become negatively charged as a whole. If the stick is brought up with a positive charge, then, on the contrary, the electrons from the sleeve will flow to the stick.