It was evident from the animal skin he wore.
In this yet-to-be-civilized world where clans operated like close-knit families, unity prevailed. However, there were still subtle class distinctions within the clan, although few and not markedly significant.
For instance, the Tribe Chief and a few clan leaders enjoyed better resources than others. While most men had only the lower half of their bodies wrapped in animal skin, some could afford an additional animal skin vest.
The man before Gu Chaoyan was among the few in the Thunder Fire Clan who could don a hide vest—other than Adams, it was a privilege few could claim.
This man's eyes were clouded, not as clear as Adams', and a malicious intent seemed to overflow from his expression.