Which of the following terms is NOT interchangeable with the word journey?

The term "apprentice" is not interchangeable with the word "journey" because it specifically refers to a person who is learning a trade or craft under the guidance of a skilled worker. An apprentice typically enters into a training period, which is a phase in their career progression rather than a descriptive term for the overall experience or process of development.

In contrast, the other terms—skilled worker, craftsman, and journeyman—are more aligned with various levels of experience or stages within the broader context of vocational and developmental pathways. "Journeyman," for example, specifically describes a tradesperson who has completed an apprenticeship and is fully qualified to work in their trade, highlighting the journey they have undertaken to reach that point. The terms used to describe skilled workers and craftsmen also imply a certain expertise acquired along a professional journey. Therefore, "apprentice" stands apart as it denotes an early stage rather than the ongoing process conveyed by "journey."