I believe:
- His goal is to be a loyal revolutionary.
"...I felt a certain responsibility"
- His opponent is the new customer.
"And with the enemy in my house..."
- He feels torn between hurting and serving.
"I went on lathering his face. My hands began to tremble again." (literally serving while getting hurt)
These words give the reader a feeling of hope either for the main character or another character. It lightens the mood and stresses a more positive scenario.
Explanation is in the file
tinyurl.com/wpazsebu
Answer: Spain and Portugal
Explanation: The subject is the who or what of the sentence. It's what the sentence is about. In this sentence, the places that are occupying the Iberian Peninsula are Spain and Portugal.