What do you call a person who, for example, dictates the right solutions from the outside via the laptop to his comrades in the exam… Definitely not ghostwriter 😂😂
SInd degree at the university at the brooding xD
I would call her "brain".
You probably do not even believe that someone buys you, that you are sitting with your "colleagues" just in the university 😄
This is the "Digtator".
From a legal point of view, this would be "aiding and abetting fraud" and the person described would be "assistant" in this matter.
https://dejure.org/gesetze/StGB/27.html