The term 'Many a Greenlander' is referring to the INUIT people, who are the indigenous people of Greenland. The INUIT are known for their traditional lifestyle and culture, which includes hunting, fishing, and gathering. They have a strong connection to the land and sea, and are highly dependent on the resources they can find in their environment. The INUIT are also known for their art, music, and storytelling, which are all important aspects of their culture.