In Psalm 1:1, the blessed man does not sit in the seat of whom?

Answer: Mockers

The blessed man does not walk in the counsel of the wicked, set foot on the path of sinners, or sit in the seat of mockers (KJV: "the scornful").

“Blessed is the man who does not walk in the counsel of the wicked, or set foot on the path of sinners, or sit in the seat of mockers.”— Psalm 1:1 (BSB)