There's definitely one for pilot! Although in our case we mean on the sea, and yours might be different, not that there is anyone here who knows the difference other than my kinsfolk. And that one is used by those who choose to follow their Art above all else, including relationships - it isn't that commonly done, obviously! And it isn't binding, but often those who chose to declare so are either young and idealistic, or old and have rejected company.

[ Or they're Findis, who went off to become a hermit in great part out out of frustration with her family ]