Who traded with the Haida Indians and recorded facts about their Culture?

Juan Pérez was the first person who traded with Haida Indians and he also obtained information about their culture.

Explanation:

Haida Indians were native of Haida Gwaii near the coast of British Columbia located in Canada. Such people are specially known for their crafts, sea resource utilization and trading skills.

Juan Pérez was an European who arrived to the coasts of British Columbia.  He was cautious while interacting with Haida Indians. He noted the geography, weather of the native land of the Haida Indians. He noticed the special sailing techniques used by the Haida Indians. Such people had iron instruments in their canoe. He appreciated their trading efficiency and named them "the iron people".