> For Thomas, now—for the first time in his life—a freelance cartographer, who tours the world exhibiting the North America map, geography is a bit of a homecom

> For Thomas, now—for the first time in his life—a freelance cartographer, who tours the world exhibiting the North America map, geography is a bit of a homecoming Seems like the surrounding context answers your question. This freelance cartographer is someone who supports himself by talking about a cool map he drew.