Radical 171 meaning "slave" is 1 of 9 Kangxi radicals (214 radicals total) composed of 8 strokes.
In the Kangxi Dictionary there are 12 characters (out of 49,030) to be found under this radical.
Characters with Radical 171
Literature
Fazzioli, Edoardo (1987). Chinese calligraphy: from pictograph to ideogram: the history of 214 essential Chinese/Japanese characters. calligraphy by Rebecca Hon Ko. New York: Abbeville Press. ISBN0-89659-774-1.