noun
cook; chef; person in charge of cooking
Refers to a person assigned to cooking duties, often in a group setting such as camping, school events, or shared living.
キャンプでは、私が炊事係を担当します。
I'll be in charge of cooking at the camp.
炊事係の人が朝早くから朝食の準備を始めた。
The person in charge of cooking started preparing breakfast early in the morning.
シェフ is a loanword for a professional chef, often in a restaurant. 炊事係 is a more general term for someone assigned to cooking, often in informal or group settings.
Compound of 炊事 (suiji, 'cooking') and 係 (kakari, 'person in charge').