Answer: ngos

AnswerCrossword Clue
NGOSAmnesty International and Teach for America, for two (abbr.)
NGOSMany charitable groups, briefly
NGOSDinh Diem et al.
NGOSDinh Diem and others
NGOS"Fire in the Lake" family
NGOSVietnamese political family
NGOSAmnesty International and the American Red Cross, e.g.: Abbr.
NGOSOxfam and Save the Children, e.g.
NGOSDoctors Without Borders and the like