hakujin: Caucasian(s); white(s).
Issei: First-generation Japanese immigrant in America.
ken: A prefecture.
kodomo no tame ni: For the sake of the children.
nappa: Greens, as in vegetables.
Nisei: American-born children of Japanese immigrants; second-generation Japanese Americans.
samurai: Japanese warrior or military class during feudal times in Japan.
tsukemono: Pickled vegetables.