Greek Fish Kebabs

Name: Greek Fish Kebabs
Ingredients: 2 lb. cod (or other white fish (like swordfish or halibut)); Lemon wedges; Fresh dill (roughly chopped); ¼ cup Kalamata olives (chopped); 12 cherry tomatoes; ½ c parsley (roughly chopped); 1 Tbsp marjoram; 1 Tbsp fresh rosemary (roughly chopped); 3 medium cloves garlic (peeled and microplaned); 1 ½ lemons (juiced, zest from 1 lemon); 1 tsp. honey or sugar; 2 tsp kosher salt (plus more to taste); 2 tsp ground cumin; ¾ cup avocado or grapeseed oil; 4 large skewers (about 10-12’’, soaked in water); Vegetable or canola oil to coat grill grates