It was at that moment that Chewie learned about solidarity... and how he had none. Because poverty is cruel. Fortunately, by the time he hit adolescence, he quickly discovered the joy of being the only fox in the hen house.
Unity or agreement of feeling and action, esp. among individuals with a common interest; mutual support within a group.
Fox in a henhouse: See Gru's reaction to Antonio Perez in Despicable Me 2. Foxes don't guard henhouses at a chicken ranch for a reason. The running theory is that they will devour the chickens. The term of phrase has more to do with a fox guarding a hen house, but I played with the meaning by implying that Chewbacca was the only fox in the henhouse. Although he's more like a baby ewok in a room full of storm troopers at the moment.