Elderly Person
Old Person, Elderly
noun, の adjective
Someone who is a comrade with years has been around a lot of said years. They are an elderly person.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. The はい goes to a ぱい, because elderly persons love pie, right?
年輩の上司が、牛の乳搾り体験の費用を払ってくれた。
My elderly boss paid for me to experience milking a cow.