Hater (noun)

1. A person who hates a lot of media and is easily offended by it.
2. A person who frequently expresses negative opinions about something or someone.

Origin:

The word hater is a slang term which originated in african american vernacular english (aave) in the 1990s. the word is thought to have derived from the phrase "playa hater" which was used in the hip hop community to refer to someone who was envious of another person"s success.

Examples:

1. She is a hater, always finding something to complain about.
2. He is a hater of the new management, always talking about how much better things were before.
3. I can't stand that hater, always bringing down the mood in the group.
4. I try not to pay attention to the haters, they're just envious of my success.
5. The hater on social media was constantly posting negative comments about the artist.