Nurse practitioner and Paladin

Nurse practitioner noun - A registered nurse who has received special training and can perform many of the duties of a physician.

Paladin and nurse practitioner are semantically related. In some cases you can use "Paladin" instead a noun phrase "Nurse practitioner".

Paladin noun - A person who actively supports or favors a cause.

Nurse practitioner and paladin are semantically related. Sometimes you can use "Nurse practitioner" instead a noun "Paladin".