Kwashiorkor is a type of malnutrition disorder caused by a severely inadequate amount of protein in the diet. It is also called 'protein malnutrition'.Symptoms include fatigue, diarrhoea, loss of muscle mass, failure to grow or gain weight, edema (swelling) of the ankles, feet, and belly, the compromised immune system, which can lead to more frequent and severe infections, and irritability.So, the correct answer is 'Malnutrition'.