One important goblin could be Griphook. He's a well - known goblin in the Harry Potter series, and in this fanfiction, he might be the main goblin responsible for Harry's healing. He has knowledge of the secrets of Gringotts and could use that knowledge to aid in the healing process.
Maybe there's a goblin artificer in the story. This type of goblin is skilled in creating magical items. In the context of healing Harry Potter, they could create a magical amulet or charm that has the power to heal him. Their skills in working with magic and materials could be crucial in finding a solution to whatever ails Harry in the fanfiction.
There could be an ancient goblin elder in the fanfiction. This elder might possess powerful healing magic that has been passed down through generations of goblins. The elder could be the one who decides to heal Harry Potter, seeing him as a symbol of hope or a valuable asset to the wizard - goblin relations.