chapter 18 master Glenn prays! Who is this man?

Derrick Stone calmly held Elaine Lacey's hand, then led to the box by Mr. Marsh.
At this moment, Elaine was proud.
Waiting for the family to leave, Grace Lacey turned her stiff neck and said in surprise, "What's going on!"
Perry Xenos and Rodney Zink were also confused. Their pride and showing off had become a joke at this moment.
"I don't know! Let's just observe from the side." Perry said.
Rodney said, "Elaine's best friend Irene said that the boy named Stone is a stink soldier and...