Your calling is less like a job title and more like the way you show up to every job.

Looking for the right title is looking for the wrong kind of answer. Titles change, and most people end up doing something that did not exist when they were sixteen. What travels is the manner: whether you finish things, whether you tell the truth about problems, whether people are glad you are on the rota. That is portable and it is what you are building now.

Stop trying to name the destination this term and work on the manner instead. Pick one habit, being on time or admitting mistakes early, and hold it everywhere. It will matter in every job you ever have.