An older person is an adult of advanced age, often retired or over 65. It is a respectful, relative term that avoids naming a strict age limit.
The less respect an older person deserves the more certain he is to demand it from anyone younger. Robert A. Heinlein
The young person isn't certain that love can be real; the middle-aged man is only discovering that it is; and the older person seems so sure of it. I was interested in the way that many of us go through the whole of our lives staying with someone just out of complacency, because leaving isn't easy. Conor McPherson
I always thought that I might retire from any form of sexuality by the age of 40 and just become a dignified older person. Jarvis Cocker
I think life is about having the mixture of the curiosity of an older person and the imagination of a child. Daphne Guinness
Ask an older person you respect to tell you his or her greatest regret. H. Jackson Brown, Jr.
Denial exists because human infants, though equipped with trust-o-meters, are built to trust, blindly and absolutely, any older person who wanders past. Martha Beck