Meaning: a person motivated by irrational enthusiasm (as for a cause) Examples: A fanatic is one who can't change his mind and won't change the subject--Winston Churchill Synonyms: fanatic,fiend
Meaning: an evil supernatural being Synonyms: devil,fiend,demon,daemon,daimon
Meaning: a cruel wicked and inhuman person Synonyms: monster,fiend,devil,demon,ogre