Is Floki loyal?

Could you elaborate on the loyalty of Floki? It's intriguing to wonder whether his actions and decisions reflect a steadfast allegiance to his principles or if there are instances where he may have wavered. Do his actions consistently align with what we might consider loyal behavior, or are there moments where his loyalty seems to be tested or even compromised? Understanding the nuances of his loyalty would help us gain a deeper appreciation of his character and his role within the larger narrative.