The prerequisite for being a skilled volunteer is to dedicate oneself to volunteer work and gain an idea of the work of voluntary labor and to gain an idea of the extent to which the success achieved through voluntary labor will contribute to the country's society-human service. The first thing a volunteer needs to do is to prepare himself by having a good idea of the subject matter. It is necessary to acquire knowledge about the work to be done beforehand. Volunteers should be able to determine the nature of the disaster. The characteristic of a skilled volunteer is not to expect utility in return for the labor payable above.