非政府 is almost always followed by
组织 (zǔzhī, organization) — together they form
非政府组织 (NGO). The prefix
非 (fēi-, non-) attaches to many bureaucratic terms:
非营利 (fēi yínglì, non-profit),
非官方 (fēi guānfāng, unofficial),
非主流 (fēi zhǔliú, non-mainstream).