Who was it that intervened for Bilbo when he was in thorin's angry clutches?

Gandalf intervened for Bilbo when he found himself in Thorin Oakenshield's angry clutches. The wizard stepped in to defend Bilbo after Thorin accused him of being a traitor for his dealings with the elves and men. Gandalf's intervention helped to calm the situation and ultimately allowed Bilbo to prove his worth to the company.