That'd be difficult since org isn't super well defined, though there is an orgdown project that aims to fix that by having levels of compatibility.

You don't need much emacs for org-mode, especially if you keep the (admittedly dated) context-sensitve toolbar. Here's a cool (but short) infographic that gives you more than enough to go off of:

https://sachachua.com/blog/2013/05/how-to-learn-emacs-a-hand...