What four other types of people besides merchants probably traveled along different stretches of the silk roads?

Besides merchants, travelers along the Silk Roads likely included diplomats, who facilitated political and trade relations; pilgrims, who journeyed for religious purposes; scholars and educators, who exchanged knowledge and ideas; and artisans, who sought new materials and techniques. These diverse groups contributed to the cultural and economic exchanges that characterized the Silk Roads, enhancing the flow of goods, ideas, and traditions across regions.