the polis
Socrates discusses duty and the obligations of the individual to the collective

some terms he uses

hoi Athenaioi Ð the Athenians Ð fellow politai
hoi polloi Ð the many, the majority, the mob
he polis Ð the state
to koinon Ð the commonwealth
hoi nomoi Ð laws
homologia Ð the (social) contract

consider Crito 50a