A Self Funded Searcher is somebody that is at a stage of his/her career where don´t want:

1) Start a new business from scrach.

2) To Find a new job or get promoted.

3) Is not willing to sacrifice independe and control over his professional career for the next 7 to 10 years (at the low end).

Here it is how i came to the conclusion that the model was something for me:

Let me know about your stage in the comments.