IPA: //ˈpoʊɡrəˌmɪst//
KK: /ˈpoʊɡrəˌmɪst/
A person who participates in or encourages a violent attack against a particular group, often based on their ethnicity or religion.
The pogromist was held responsible for inciting violence against the community.
Pogromist → The word is derived from 'pogrom' (from Russian 'погром', meaning to wreak havoc or destroy violently) and the suffix '-ist' (meaning a person who practices or is concerned with something). A pogromist is a person who participates in or advocates for violent riots against a particular ethnic or religious group.
Think of someone who is involved in causing 'destruction' ('pogrom') and is identified as a person ('-ist') who engages in such acts.