Christianity played a big role in the development of social welfaree in Germany. The background history of social welfare in Germany was developed by the support of Christianity as well as the harmonization of the private and government sector of social welfare. Germany was the first nation that started the social welfare program in the world. In 1984, the Industrial Disaster Insurance started and unemployment insurance was developed in1927. In addition, Germany was the first nation which developed the welfare program, which involves providing insurance for nursing homes for the elders began in 1995 for the first time in the world. The welfare program includes providing the use of the facilities, providing services at homes of the elders, social activity programs for peers, and etc, which were set as a national law and included in the government policy: in social security income The roles of social workers are to provide counseling and provide educational programs for the welfare programs mentioned above. In addition, if they are not able to provide the services, then they must refer the programs to the government, which will then the government take over the responsibilities of providing the services. As a professional social worker for welfare counseling of the aged, one must have professional development, and continue to broaden one’s knowledge of the theories and practices of social work through receiving further education.