The guest arts teacher has an uncertain status because of the lexical changes that came up in the interministerial technolect throughout the years. Their speech inevitably ends up in the idealization of the inmate and of the impact of the artistic creation. The analysis of my personal experience prevents any idealization of what is at stake in the arts classes (that take place) in prison. However, it doesn’t mean that cultural action in jail isn’t necessary. It just aims at liberating the guest teacher’s speech.