The phrase 'social service' means an organized activity to improve the condition of disadvantaged people in society
Social workers services are based on a vase variety of things.Here are a few that a social workers work would be based on Adoption Agent Adoption Counselor Adoption Social Worker Adoption Specialist...
You could get a degree in Social Work.
19th century.......im joking
Not much you can do, just live your life the best you can, and, hopefully, have been.