whitecapper

plural whitecappers

1. UShistoricalSynonym of whitecap (“type of vigilante”).

   To the gratification of many local whites, an all-white jury acquitted Brown of the charge of murder and ruled that the shooting of the whitecapper had been a justifiable homicide.

   1993, William Fitzhugh Brundage, Lynching in the New South: Georgia and Virginia, 1880–1930, Urbana, Illinois: University of Illinois Press, →ISBN, page 27

   1 more example

   Deputy United States Marshal H. B. Holman returned here on the Kansas City Southern Railroad, to which place he was called by a message from the manager of a large fruit-growing company, asking protection from whitecappers.

   1905 April 12, “Mexican Laborers Warned to Leave: Whitecappers Posted Warnings on Doors of Cabins Occupied by the Mexicans Near Horatio”, in Arkansas Gazette, Little Rock, Arkansas, via Newspapers.com, page 1

   Synonyms: whitecap