noun
Formal term for a person who receives something, often used in legal, medical, or academic contexts.
臓器移植の受容者は、厳しい条件を満たす必要がある。
Organ transplant recipients must meet strict conditions.
この制度では、受容者が申請書を提出し
Under this system, the recipient must submit an application form.
Compound of 受容 (acceptance, reception) and 者 (person). The exact historical derivation is uncertain, but the word follows a standard Sino-Japanese pattern for forming agent nouns.