reprobator
/ˌrɛprəˈbeɪtər/Definitions
1. noun
A person who rejects or condemns something, especially a moral or religious principle.
“The reprobator of the community was known for his harsh judgment of others.”
2. noun
A person who rejects or has rejected a Christian or other religious faith, especially one who has been formally excommunicated.
“The reprobator was shunned by the community after being excommunicated from the church.”