Service origins

Once a waitress, a barrista, a cafe manager, a technical services coordinator, an artist's model, a dresser, an editor, a operations manager, a scenic painter, a retail manager, a shop assistant, a receptionist, a director of studies.
Now... A teacher, a member of the People Development Support team at the leading job site in Spain.
Most of a life, so far, spent in service occupations of one kind or another.
Some people would argue that being a scenic painter or an editor is not being in service. And I suppose that's the point of original service, that any professional endeavor is inherently involved in service, or should be...