welfare worker(n = noun.person) caseworker, social worker - someone employed to provide social services (especially to the disadvantaged);
is a kind of public servant
has particulars: almoner, medical social worker

blue collar worker, child welfare agency, child welfare service, civil rights worker, construction worker, department of health education and welfare, dock worker, factory worker, farm worker, fellow worker, garment worker, guest worker, hard worker, knowledge worker, line worker, medical social worker, miracle worker, power worker, power-station worker, research worker, seasonal worker, secretary of health education and welfare, skilled worker, social welfare, social worker, temporary worker, trained worker, unpaid worker, welfare, welfare case, welfare state, welfare work, worker, worker bee