Explanation:

William Beveridge has defined social security as “a means of securing an income to take the place of earnings when they are interrupted by unemployment, sickness or accident to provide for the retirement through old age, to provide against loss of support by death of another person or to meet exceptional expenditure connected with birth, death, or marriage. The purpose of social security is to provide an income up to a minimum and also medical treatment to bring the interruption of earnings to an end as soon as possible.”