the young teacher's 'self-identification' [='identification'] with his students
He needed to show (his) 'identification' before they would cash the check.
They had/felt a (strong) sense of 'identification with' their neighbors.
(..) Do you understand? She doesn't. We need a flying unit. This is the police. We're processing your identification. Please follow our instructions. She has no file. She dove off! Youjust had an accident. (..)1997 The Fifth Element