A person who violates or neglects an established code; or the adjective form describing such violation or negligence.
Compound of 'code' plus 'delinquent' (from Latin 'delinquens,' abandoning duty), describing a person who fails to follow rules or a situation involving such failure.
A 'codelinquent' person could be anyone from a hacker breaking computer codes to someone flagrantly ignoring dress codes—it's a wonderfully specific word for rule-breakers!
Complete word intelligence in one call. Free tier — 50 lookups/day.