(1) As can be seen from the above meaning, social workers are paid, that is to say, social workers are paid, while volunteers pay their own time, energy and money. There is no salary.
(2) Social workers have professional knowledge and skills, such as case social work, such as listening skills. Although volunteers engaged in public welfare undertakings sometimes need certain methods and skills, such as medical personnel, social work is a kind of professional knowledge and technology unique to other occupations, which is different from other occupations.
(3) Social workers should follow strict professional ethics and values, and volunteers should also follow social ethics and values, but not as strict and professional as social workers. These ethics and values are what a social worker must abide by. Their regulations are very strict, and sometimes they even conflict with each other or with the overall values of society.