The King of Cups manifests as Orpheus, singer, priest, and healer, whose lack of faith in the bargain of Hades led to his wife losing her chance to escape the underworld. The fame he earned as a priest in the aftermath inspired the jealousy of Dionysius, who then sent his maenads to tear Orpheus apart.
This gives the King of Cups the aspect of working with the hidden realms of emotion and spiritualism and while having a skill in helping others with these realms, not being able to trust your experiences when they apply to yourself. This can particularly be seen in the counselling and healing professions and can be applied equally to someone you may encounter as to yourself. 💧