Could have been nicer if you linked me to it instead of urging me to search, guess and risk a wrong guess of your intention.
You meant this one?
https://steemit.com/anarchy/@roninphilosophy/self-ownership-voluntaryism-and-the-free-market
If so, it is merely about libertarianism or anarchism.
I referred to volunteering in this thread of mine.
If voluntarism is not about volunteering, and it is what you consider it to be, what is the difference between it and anarchism or libertarianism?