Human beings have a libido—a degree of sexual and erotic drive or interest—that varies widely. during our lives, our libido fluctuates, and for many, the baseline libido is so low as to result in no erotic interest in others at all. this is true for those who identify as

The answer to this question is Asexual.
Up to this day, many experts still argue whether the cause of asexuality is simply psychological condition that just happen ever since that person born, or whether it's caused by potential damage that happens in our nervous system that drives pleasures when we experience sexual arousal.