Answer: Hate speech
Explanation: Abel's remark about professor Carmichael is an example of an HATE SPEECH as it highlights a statement aimed at belittling or bad-mouthing the highly respected professor which is evident in the manner in which most people spoke highly of him. However, Abel's notion could be described as violent and discriminatory. Hate speeches are usually targeted at people who belong to a different social class, group, race, religion, or gender to the perpetrator of such speeches.