患者

1. Origins, structure, and basic meaning

• Structure: 患者(かんじゃ) is a noun for a patient receiving medical care or attention.
• Basic usage: It modifies information in 患者の話 and forms a role label in 患者役.

2. Common pitfalls and similar expressions

• Person and role
  • It can identify an actual patient or a participant acting as the patient in a classroom exercise.
• Compound form
  • In 患者役, the two nouns join directly to mean “the role of patient.”