noun
insurer
Refers to the party that provides insurance coverage, such as an insurance company or a public health insurance body. Often contrasted with 被保険者 (the insured).
See also: 被保険者
保険者は、被保険者に対して保険金を支払う義務がある。
The insurer is obligated to pay insurance benefits to the insured.
国民健康保険
The insurer for National Health Insurance is the municipality.
Compound of 保険 (insurance) and 者 (person/entity). The term is a straightforward Sino-Japanese formation used in legal and administrative contexts.