calvinist
/ˈkælvɪnɪst/Definitions
1. noun
A follower of John Calvin, especially one who adheres to the theological system of Calvinism.
“The professor was a Calvinist and often cited Calvin’s writings in his lectures.”
2. adjective
Relating to or characteristic of Calvinism or its adherents.
“The Calvinist church was known for its strict adherence to Calvin’s teachings.”