noun, masculine/a.pʁɑ̃.ti.sɔʁ.sje/plural: apprentis-sorciers
apprenti-sorcier is masculine in French.
sorcerer's apprentice (person who experiments carelessly, without paying attention to the possible consequences of their experiments and without the ability to contain them should they spiral out of control)
“jouer à l'apprenti-sorcier” — to play God
Calque of German Zauberlehrling.