The warrior is the character being described, since he is the one marching to the building and also the clue his which is a description of male ownership and bereft of this joyance means he was deprived of his joyance... all in one these things describe what the warrior was doing and how he was feeling.
Blanca Flor and Juanito will probably be reunited later in the story. After all Blanca does to help Juanito escape, it is likely that he will find help and return to the farm to save her. He would not leave her there to be punished after she saves him and helps him get free.