profiler
A marine biologist.
Someone who studies humans is called an anthropologist. Anthropologists explore various aspects of human societies, cultures, and biological characteristics, often focusing on social behavior, cultural practices, and human evolution. Their work can encompass fields like archaeology, cultural anthropology, and physical anthropology.
The name for someone who studies caves is a speleologist or a spelunker.
A psychologist is the proper name for someone who studies the mind.
There is no special name for someone who studies Hebrew.
Someone who studies planetary systems is called a planetary scientist
Marine biologist. Actually, a Marine Biologist is someone who studies marine organisms (plants, oceans, and animals), but someone who studies MAINLY marine mammals is a marine mammalogist.
chemist
Eugenicists
microbiologist :)
A geologist.
Ornothologist