Delinquent /(?)/

De·lin·quent

Delinquent

a.
  1. Failing in duty; offending by neglect of duty.

Delinquent

n.
  1. One who fails or neglects to perform his duty; an offender or transgressor; one who commits a fault or a crime; a culprit.
    A delinquent ought to be cited in the place or jurisdiction where the delinquency was committed.