He acts from no inner core of strongly held values or beliefs. Rather than pursuing truth, love, duty or honor, he simply manipulates each situation to his own best advantage, betrays and moves on. Since Don Juan feels no compassion or empathy for others, he is at heart a narcissist, totally untouched by the feelings and needs of others. This frees him to be and do whatever he wishes without restriction. But, for all of the Don Juan figures, unfeeling freedom had a price, and they all by their actions brought on their own downfalls.
Fate comes even to the equivocal figure.