Philister = “kleinbürgerlich-engstirniger Mensch; Spießbürger” (Duden)
In the fields of philosophy and æsthetics, the derogatory term philistinism describes the social attitude of anti-intellectualism that undervalues and despises art, beauty, spirituality, and intellect; “the manners, habits, and character, or mode of thinking of a philistine”