noun
Refers to a person or entity that formally delivers, issues, or grants something, such as a document, certificate, or benefit.
パスポートの交付者は外務省です。
The issuer of passports is the Ministry of Foreign Affairs.
奨学金の交付者から通知が届いた。
A notice arrived from the scholarship donor.
受給者 is the recipient of a grant or benefit, while 交付者 is the one who grants or issues it.
Compound of 交付 (delivery, issuance) + 者 (person). The reading こうふしゃ follows standard on'yomi.