Other forms: retirees
A retiree is a person who has permanently stopped working. Florida is famous for being a state where many retirees live. That's why Florida has so many golf courses (and nursing homes).
Most retirees are 65 or older — they've worked their whole lives, and when they retire, or cease working, they're taking a well-deserved break. Many older people continue to work, instead of becoming retirees. The word retiree comes from retire, which first meant "to retreat," and later "to withdraw to a private place." The suffix -ee is often used in legal terms to mean "initiator of an action."