traditionalist

From traditional +‎ -ist.

traditionalist (plural traditionalists)

1. A person who adheres to tradition, especially in cultural or religious practices.
   • 1962 December, “A new Pullman era?”, in Modern Railways, page 362:

     Pullman traditionalists will no doubt maintain that the full-service-at-every-seat principle is popular with their clientele; [...].

2. A person who believes in the traditional teaching of Hell (Gehenna) as eternal conscious torment (ECT) for the wicked.
3. (climbing) A traditional climbing climber.

• annihilationist
• conditionalist
• destructionist
• reformer
• reformist