Apprentice is the beginner - the first years you work in a craft in the European sense you are an apprentice. That takes 3 or 4 years. Then you are a journeyman. You can go from one master to another and learn other tricks and other secrets. ↗
006 was such an interesting character and the film really explored his friendship with Bond and how it all went wrong, so it was a very personal journey for both characters. ↗