Grilled Swordfish with Smoked Paprika and Herbed Fruit Salsa

Name: Grilled Swordfish with Smoked Paprika and Herbed Fruit Salsa
Ingredients: 1 pound swordfish steak; extra-virgin olive oil; kosher salt and freshly ground black pepper; 4 tablespoons butter (, or 1/2 stick); 1 teaspoon smoked paprika; 4 rosemary sprigs (, tied together with kitchen twine); 1/2 cup pineapple (, diced); 1/4 cup cantaloupe (, diced); 1/8 cup red onion (, minced); 1/2 avocado (, diced); 1 1/2 jalapeño (, minced); 1/2 lime (, juiced); 1/4 cup cilantro (, chopped); 1 tablespoon mint (, chopped); 1 tablespoon rosemary (, minced); kosher salt