Couscous with Chicken and Chickpeas

Name: Couscous with Chicken and Chickpeas
Ingredients: 2 tablespoons cooking oil; 8 chicken drumsticks; 3 teaspoons salt; 1/4 teaspoon fresh-ground black pepper; 1 onion, cut into thin slices; 1 turnip, peeled and cut into 1/2-inch cubes; 2 tablespoons tomato paste; 1 teaspoon paprika; 1 1/2 teaspoons ground cumin; 1/8 teaspoon cayenne; 6 cups water; 3 carrots, cut into 1/4-inch slices; 1 2/3 cups drained and rinsed canned chickpeas (one 15-ounce can); 1/2 cup packed flat-leaf parsley leaves; 1 1/3 cups couscous