Sentence:  Among other slave notabilities of the plantation, was one called by everybody Uncle Isaac Copper. It is seldom that a slave gets a surname from anybody in Maryland; and so completely has the south shaped the manners of the north, in this respect, that even <WSD>abolitionists</WSD> make very little of the surname of a negro. 
Meaning of the word marked with <WSD> tags:  A person who favored or advocated the abolition of slavery. (since the late 18th century)<ref name=SOED/>