Law-abiding means living quietly within the rules. A law-abiding citizen, perfectly law-abiding, law-abiding people.
It goes almost always with citizen, which is one of the most fixed pairings in English. It is used most in arguments about policing, where each side claims to speak for law-abiding people.
1adjectivelaw-abidingLiving quietly within the rules.
“He had been law-abiding for sixty years before that night.”
law-abiding is a quality.
Practised in Crime & Law