What is the connection between Gawain and Arthur?

Gawain is a central character in Arthurian legend, often depicted as one of King Arthur's most loyal knights and a member of the Round Table. He is renowned for his bravery, chivalry, and sense of honor, frequently undertaking quests to uphold Arthur's ideals. Gawain's relationship with Arthur exemplifies the bond of loyalty and friendship that defines the knightly code, making him a crucial figure in the narrative surrounding Arthur's reign and the quest for the Holy Grail.