The Question and Answer section for The Watsons Go to Birmingham - 1963 is a great resource to ask questions, find answers, and discuss the novel.
The title of Chapter Five is Nazi Parachutes Attack the United States and Get Shot Down Over the Flint River by Captain Byron Watson and his Flamethrower of Death.
Byron's game was imaginary movie making. He pretended to film parachuters falling...
I'm not sure I would say doesn't like him.... I'd say she's reserving an opinion until she's sure of his intentions.
I think Byron is worried about Kenny hearing things he was not meant to hear. Kenny is still only a child and Mama and father talk about some difficult subjects.