The 'concerned' group
These adjectives are used to indicate the people or things involved or relevant in a situation. The noun always comes after the.
affected available concerned involved present required responsible suggested
He plans to use the time available in a more varied way.
This is a problem which is rare but nevertheless can be extremely disturbing for the people concerned.
The court was told there was no suggestion that this tampering was carried out by the suppliers. The person responsible had never been found.