the world > action or operation > safety > protection or defence > vigilance > keeping watch > [adjective] > exercising surveillance > kept under surveillance
surveilled1980
1980 N. FreelingCastang's City xvii. 111 A few hints are conveyed by the word ‘light’. Not around twenty-four hours: that's ‘intense’ and needs three separate shifts... Light means not leaning on people: the surveilled aren't supposed to notice.