While in College, Josephine got involved with a group of radicals who became in a way her second family.

radicals 是名词 radical 的复数形式。radical 来自拉丁语 radix（根），原指"根本的、彻底的"，引申为"主张彻底变革的人"，即"激进分子"。这个词常用来形容政治或社会改革中主张极端变革的人士。