Wangji was watching with more than slight concern at the bows and arrows pointed at the seemingly defenceless child, but at the leaders words he focuses and looks towards the top of the islands.
He wordlessly agrees with Jake that they should refrain from explaining exactly what the train is to these people. He's trying to keep all three of them within his field of view in case they decide that fighting is better than diplomacy.

"There are many of us scattered across the island, some have healing abilities if you have any injured." Medics are always welcome right?
"Do you have a leader we can speak to about coming to an arrangement?"