An older person is someone who is advanced in age. An ANCESTOR is an older person from whom one is descended, usually more distant than a grandparent. A PATRIARCH is the male head of a family or tribe, typically an older person. POPS is a term of endearment for an older man, usually a father or grandfather. DOTARD is an archaic term for an elderly person, especially one who is weak or senile. MASTER is an old-fashioned term for an older man, especially one in authority. POP is a term of endearment for an older man, usually a father or grandfather.