Vigilantadjective
Watchful, especially for danger or disorder; alert; wary
Vigilantadjective
Attentive to discover and avoid danger, or to provide for safety; wakeful; watchful; circumspect; wary.
Vigilantadjective
carefully observant or attentive; on the lookout for possible danger;
Vigilantenoun
A person who considers it their own responsibility to uphold the law in their neighborhood and often does so summarily and without legal jurisdiction.
Vigilantenoun
member of a vigilance committee
Vigilantenoun
a member of a self-appointed group of citizens who undertake law enforcement in their community without legal authority, typically because the legal agencies are thought to be inadequate.