noun
family person; person with a family
Refers to someone who has a family to support, often a married person with children. Can imply responsibilities or a settled lifestyle.
彼は家族持ちだから、残業はあまりできない。
He has a family, so he can't do much overtime.
家族持ちの社員には住宅手当が出る。
Employees with families receive a housing allowance.