Charcoal-Grilled Swordfish Steak

Ingredients

• one 8-ounce, ¾-inch-thick swordfish steak, skin and bloodline removed
• kosher salt and freshly ground pepper, to taste
• 6 tablespoons olive oil
• 1 avocado, peeled, pitted, and diced
• 1 tablespoon very finely diced red onion
• 1 tablespoon very finely diced red bell pepper
• 1 teaspoon very finely diced serrano pepper
• 4 tablespoons rice-wine vinegar
• 1 tablespoon lime juice
• 1 tablespoon sambal oelek
• 2 tablespoons chopped cilantro
• 4 ounces fresh shelled crabmeat