Social work as helping profession emerged in the 19th century. Its emergence lies in early social welfare activities, the charity organizations the settlement house movement in United state. When society become more complex and the natural helping system fail to support individuals, different programs started to developed, the dimension of care to the vulnerable groups of society shifted from charity organizations like churches, family to government based service programs. This also entails professionals who facilitate and intervene in the interaction between people and their environments (which affects their abilities to meet their needs, life desires) social workers work at various levels to enhance the interaction between the two. The preamble of National association of social workers code of ethics, describe the primary mission of social work is to enhance human wellbeing and help meet the basic human needs of all people, with particular attention to the needs and empowerment of people who are vulnerable, oppressed and living