Demonologist: noun:
Someone who studies demons and beliefs about demons.
Exorcist: noun:
A person who is believed to be able to cast out the devil or other demons.
nerolinguistics is the study of if someone is lying
Someone who studies flags is called a Vexillologist
Someone who studies the earth is called a geologist....
Someone who studies speech is called a speech pathologist or a speech-language pathologist.
A weather scientist is called a meteorologist.
The study of war is called polemology.
Zoologists study animals and botanists study plants. Biologists study both plants and animals together. Microbiologists study these things at a cellular level.
People who study organisms are called biologists.
A peer review
Someone who studies the age of a tree by the rings on the inside is called a dendrochronologist
They could be a rock-hound, a geologist, a petrologist, or a mineralogist, depending on their educational background and field of interest.Petrologists study rocks and mineralogists study minerals.
A zoologist, zoology is the study of animals.