occupant of a house; family member; household member (incl. servants)
家人に鍵を預けて出かけた。
I left the key with my family and went out.
入院中、家人が毎日病院に来てくれた。
While I was hospitalized, my family came to the hospital every day.
家人が全員そろって夕食を囲むのが我が家の習慣だ。
It's our family custom to have everyone together for dinner.