Maz Kanata is said to be hundreds of years old and know the ways of the force but not be a Jedi herself. Will she teach Finn who is quite possibly force sensitive the ways of the force so he can become a Jedi Knight. With Luke Skywalker and Rey off training alone Finn will be in need of training himself to stay Relevant and give him the abilities to seek revenge or justice against the man who killed Han Solo , Kylo Ren himself. We know from some of the deleted scenes maz used force powers to collapse a wall and kill storm troopers so will this be explored in episode 8 and teach a force sensitive finn how to be a jedi.