Traditionalist

[Sarah]

An advocate of, or believer in, traditionalism; a traditionist.

[Becky]

(In an informal sense)

a member of an online group of millennials and gen-z’s that aim to revive the initial cultural ideas, philosophical [foundations], and ancestral beliefs of [Western civilization].

I.e. the belief in God/gods, [gender roles], and the idea that ‘life calls for responsibility’.
They generally oppose secular modern beliefs.

[Britney]

someone who believes in and follows traditional ideas: