What is another word for upsetter?
Pronunciation: [ʌpsˈɛtə] (IPA) 
The word "upsetter" is often used to describe someone or something that causes disruption or upset. However, there are various synonyms that can be used to describe this type of person or thing. One synonym is "troublemaker," which denotes a person who causes problems intentionally. Another is "provocateur," which refers to someone who purposely incites or provokes others. Similarly, "agitator" implies that someone is stirring up trouble or causing unrest. Another word that can be used as a substitute for "upsetter" is "disrupter," which suggests that someone is causing chaos or interference. Finally, "instigator" implies that someone is responsible for starting a particular problem or situation.
