gerontology is the study of aging gerontologist is the person who studies it
The politically correct term for aging is to call the person a senior or older adult. The term elderly has fallen out of favor due to the associated negativity.
You can refer to a person in their 70s as a septuagenarian.
A person who is retired is simply referred to as a retiree.
A grown person is typically referred to as an adult.
A person in their 50s is commonly referred to as being middle-aged.
A person who studies genealogies is a genealogist.
a person who studies people but not an psychologist
A person who studies organisms is called a biologist.
a person that studies gems is called a gemologist.
what do you call somebody who studies snails.
A person who studies poisons is called a toxicologist.
A person who studies the earth is called a geologist.
A person who studies birds is called an ornithologist.
A person who studies birds is called an Ornitholoigst
A person who studies the mind is called a psychologist.
A person who studies theology is called a theologian.
A person who studies lichens is called a lichenologist.