Papaya and Cubeb Marinated Snapper With Baked Yam Chips

Name: Papaya-and-Cubeb-Marinated Snapper With Baked Yam Chips
Ingredients: 4 5–6-oz. skin-on red snapper fillets, patted dry; ¼ tsp. okra salt or kosher salt, plus more; Alligator pepper or freshly ground black pepper; ½ tsp. cubeb pepper or Ashanti pepper (uziza); ½ green or medium-ripe papaya, peeled, insides discarded; 1 small bunch cilantro; 2 Tbsp. extra-virgin olive oil; 1 small red onion, coarsely chopped; 1 garlic clove, coarsely chopped; 1 1 piece ginger, peeled, coarsely chopped (unpeeled if organic); ¼–½ tsp. ground dried bird chiles or other hot chile powder; 1 lemon, halved; 1 lb. puna, white yams, or sweet potatoes (2–3); 1 tsp. coconut sugar or dark brown sugar; 1½ tsp. kosher salt, divided; 3 Tbsp. extra-virgin olive oil, divided; Freshly ground black pepper; ½ tsp. chile powder; Drunk Apricot Shito (for serving); A spice mill or mortar and pestle