[Dick is a bit more aware of his surroundings than that, so he catches the hand is coming and ducks to the side easily, spinning to look at the weird guy while frowning.]
I don't have to stay out of sight. If someone's in trouble I'm going to help them.
[He might sound a bit more serious that his small stature and age would have him be, but someone sounds like their being hacked to death and it's enough to make him sick. He can't just let it happen. He turns back around and hurries into the cornfield, pushing the stalks to the side to maneuver through it.]