A voluntary body formed by people in the same line of business for the purpose of protecting their interest is a
Answer Details
A voluntary body formed by people in the same line of business for the purpose of protecting their interest is known as a "trade association". It is usually formed by businesses or individuals who have a common interest or purpose in a particular industry or trade. The trade association acts as a representative body for its members and provides support and services to help them operate more effectively. These may include lobbying for favorable legislation, providing industry-specific training and resources, and promoting the interests of the industry to the public.