Sentence:  The <WSD>disciplinists</WSD> saw them as dangerously corrupted and therefore in need of drastic purification rites; the diversifiers, to cite the historian Barbara M. Brenzel, professed "a strong faith in the inherent innocence of children"; they "would save all wayward children by giving them the environment in which to reform and flourish" ("Daughters of the State", MIT Press, 1983). "Flourish" is the key word here. Its analogue in disciplinist circles might be "submit" or "obey." 
Meaning of the word marked with <WSD> tags:  A disciplinarian; one who stresses obedience to authority.