Final answer:
The subject of this question is History, specifically the historical practice of using boys as camel riders.
Step-by-step explanation:
The subject of this question falls under the category of History. The question is about Pakistani boys currently working as camel riders. While the question does not provide specific details or context, it is likely referring to the historical practice of using boys as camel riders in various societies throughout history, including in Pakistan. This practice has been documented in different civilizations, such as the Ottoman Empire and Islamic states in western Asia. The use of boys as camel riders was part of a system of recruitment, training, and social organization, often involving enslaved or formerly enslaved boys who were educated and trained to serve the state.