Samuel actually did not really care about this person, considering that the strength that they had was not enough to threaten him at all. But still, he definitely needed to take action, as Samuel was not afraid of this person, but he had to be cautious of the association behind them.
If this person went and reported about his presence here, and the fact that he had already reached rank one, there was a possibility of several rank one existences being sent over. They did not really have to be people within the cities, as they could actually be those mutants, a mixture of humans and monsters.
They called themselves true humans, when they had actually been contaminated with the genes of monsters. Regardless of what a person thought of this situation, if someone had actually reached rank to, it did not really matter if they were true humans or ordinary humans.