offender

Almost all down trains are late, however; the empty wagon trains are probably the worst offenders and one or two hours' late running by them is not unusual.

Such conduct would subject the offender to a heavy penalty.

The police spotted him at once as the offender.

The political offender rebelled against the police authority.

He even suspected that the man was the principal offender.

They discussed the subject of the offender of the meaning of life.