This tree is the master of a pillar. The pillar is subservient to its tree master because the tree is so great and awesome and big and cool and stuff. The pillar has great respect for its tree master.
While bowing, the pillar accidentally smashes Chewbacca (ちゅう). The pillar is horrified for having murdered Chewbacca, his tree master’s closest friend. The pillar is going to be punished.