monomania
An informed person is a smart person.
A toothless person is referred to as "adentulous".
An organist
Lichenologist
virologist
cheap, stingy, tight, penny pincher, frugal, scrooge, thrifty
The best thing to do is to call the person by his or her name.
a neat freak a clean freak you know whatever
no noun is a person place or thing , call is an verb. a verb is an action word.
I call it illiteracy. Medical types might call it obsessive behavior.
Protagonist
A hypocrite.
One thing that you can call a person that is addicted to computer programming is a computer nerd. A computer nerd is always on the computer.
A person who washes their hands constantly may be referred to as having a hand washing compulsion or may be exhibiting symptoms of obsessive-compulsive disorder (OCD).
One thing that you can call a person that is addicted to computer programming is a computer nerd. A computer nerd is always on the computer.
hypocritical
A lot of obsessions fall under the category of OCD or Obsessive Compulsive Disorder.