detester
/dɪˈtɛstər/Definitions
1. noun
A person who strongly dislikes or opposes something, such as a particular idea, activity, or person.
“The vocal detractor at the town hall meeting was a passionate detester of the proposed development plan.”
2. noun
A person who abstains from or avoids something, especially due to moral or personal objections.
“The detester of social media claimed that it was having a profoundly negative impact on their mental health.”