Final answer:
The individual who traveled alone to trade and trap for furs for the Hudson Bay Company was Samuel de Champlain, a French explorer in Canada.
Step-by-step explanation:
The subject of your question is History. The individual who traveled alone to trade and trap for furs for the Hudson Bay Company was the French explorer Samuel de Champlain. His expeditions in Canada established the local Indians' interest in French trade. However, it is important to note that the fur trade involved multiple European nations and indigenous tribes, including the Dutch and the Iroquois, who played significant roles in the fur trade as well.