病人

1. Origins, structure, and basic meaning

• Structure: 病人 (びょうにん) is a noun for a sick person who requires care or rest.
• Basic usage: 病人の世話をする specifies the person receiving family care, while 病人を休ませる makes the patient the object caused to rest in a quiet room.

2. Common pitfalls and similar expressions

• Care relation and causative object
  • In 病人の世話, the sick person receives care; in 病人を休ませる, the same kind of person is caused to rest. The patient is not caring for the family or making someone else rest.