These kinds of delusion is known as being:
paranoid
When a person is being paranoid, he or she can not stop thinking of negative happenings or thoughts that may happen to him or her. These type of persons are suffering from the mental condition commonly known as paranoia
Thus, the answer is:
paranoid
Hieroglyphics are different because they are symbols and pictures. For example, a bird might represent flight, and a hand might represent the number 5.
1. Mentally ill
2. Forced
3. For fun
4. Revenge
5. Money
corrupt educational system
undue emphasis on certificate
Environmental factor
parent's failure to be responsible