A horse is your master and you are merely a resident in his house. How did this horse become your master? Those aren’t questions a resident should ask! Know your place, resident!
To prove yourself a worthy resident of the horse master’s house, you must capture Chewbacca (ちゅう). Your horse master collects rare creatures, and Chewbacca is his latest desire. If you wish to remain a resident of the house, you must capture Chewbacca.