Sentence:  Other essayists, however, detect significant distinctions between <WSD>highlander</WSD> and lowlander—differences in racial attitudes (abolitionist or rabid racist), in the types of work that African Americans performed, and in the extent to which perceptions of whiteness shaped how outsiders understood the region and acted toward it. 
Meaning of the word marked with <WSD> tags:  Any person who lives in mountainous or hilly terrain.