Haters may also simply find satisfaction in someone else’s misfortune. When a friend falls off a bicycle and lands in the sewer for instance, it is a normal reaction to laugh at the situation. However, a hater will respond slightly differently by laughing at the person in a ridiculing manner.
Haters have a special link to one another and they tend to fuel each others hate by hating in groups. It may be a form of stress relief or something entirely different but they do seem to become happy from the escalation of hate for a person that arises in these groups.
Haters generally tend to hate people who are doing well even more so - racists excluded - if they are closer or more similar to them or of a similar social class.
When Jesus talked about prophets not being welcome in their own home town, he was probably talking about the haters.
There is one African tribe that used to be famous for hating its best hunters. A great hunter would make the biggest catch in months for instance, and then everybody would put him down by telling him that they couldn’t believe that he could expect them to eat something so puny and unhealthy look...