A person from the movie "Hostel!"
If the person studies interactions among people and societies, from a scientific point of view, you call them a "social scientist" or "sociologist".
a person who studies people but not an psychologist
a person who studies people but not an psychologist
a person who studies insects is called an entomologist.
A person who studies genealogies is a genealogist.
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.
An anthropologist or an ethnographer typically study indigenous people and cultures.
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 the mind is called a psychologist.