What is an Adept?

A master of esoteric wisdom and spiritual practices, having transcended ordinary human limitations to wield profound knowledge and influence over both spiritual and physical realms.

Through rigorous self-discipline and enlightenment, serving as guides and guardians of humanity, embodying the pinnacle of spiritual evolution.

-Sibyls.ai

In other words:
One who is proficient in embodying the highest truth, that ALL IS SELF.