What is the relationship of Merlin to King Arthur?

Merlin is a legendary figure often depicted as a wise wizard and advisor to King Arthur in Arthurian legend. He plays a crucial role in Arthur's rise to kingship, helping him to pull the sWord Excalibur from the stone, which proves his right to the throne. Merlin's guidance and prophetic abilities are essential in shaping Arthur's destiny and the ideals of chivalry associated with his reign. Their relationship is one of mentor and protégé, deeply intertwined in the lore of Camelot.