Grilled Swordfish with Cucumber Lime Salsa

Name: Grilled Swordfish with Cucumber Lime Salsa
Ingredients: 1 tablespoon fresh lime juice; 1 teaspoon honey; 1 teaspoon vegetable oil plus additional for brushing pan; 1 teaspoon ground coriander; 1 (1-inch-thick) swordfish steak (6 ounces); 1 lime; 1 (1/4-pound) Kirby cucumber, peeled, seeded, and cut into 1/4-inch dice (3/4 cup); 1 tablespoon finely chopped fresh cilantro; 1 tablespoon finely chopped scallion greens; 1 teaspoon finely chopped fresh jalapeño or serrano chile (including seeds); 1 teaspoon sugar, or to taste; 1/4 teaspoon salt; a well-seasoned ridged grill pan