Professional associationA professional association (also called a professional body, professional organization, or professional society) is a group that usually seeks to further a particular profession, the interests of individuals and organisations engaged in that profession, and the public interest. In the United States, such an association is typically a nonprofit business league for tax purposes. In the UK, they may take a variety of legal forms.
ProfessionA profession is a field of work that has been successfully professionalized. It can be defined as a disciplined group of individuals, professionals, who adhere to ethical standards and who hold themselves out as, and are accepted by the public as possessing special knowledge and skills in a widely recognised body of learning derived from research, education and training at a high level, and who are prepared to apply this knowledge and exercise these skills in the interest of others.
CraftA craft or trade is a pastime or an occupation that requires particular skills and knowledge of skilled work. In a historical sense, particularly the Middle Ages and earlier, the term is usually applied to people occupied in small scale production of goods, or their maintenance, for example by tinkers. The traditional term craftsman is nowadays often replaced by artisan and by craftsperson. Historically, the more specialized crafts with high-value products tended to concentrate in urban centers and their practitioners formed guilds.
TradespersonA tradesperson is a skilled worker that specializes in a particular trade. Tradespeople usually gain their skills through work experience, on-the-job training, an apprenticeship program or formal education. As opposed to a craftsperson or an artisan, a tradesperson is not necessarily restricted to manual work. In Victorian England: The terms "skilled worker," "craftsman," "artisan," and "tradesman" were used in senses that overlap. All describe people with specialized training in the skills needed for a particular kind of work.
GuildA guild (ɡɪld ) is an association of artisans and merchants who oversee the practice of their craft/trade in a particular territory. The earliest types of guild formed as organizations of tradespeople belonging to a professional association. They sometimes depended on grants of letters patent from a monarch or other ruler to enforce the flow of trade to their self-employed members, and to retain ownership of tools and the supply of materials, but most were regulated by the local government.
PhysicianA physician (American English), medical practitioner (Commonwealth English), medical doctor, or simply doctor, is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through the study, diagnosis, prognosis and treatment of disease, injury, and other physical and mental impairments. Physicians may focus their practice on certain disease categories, types of patients, and methods of treatment—known as specialities—or they may assume responsibility for the provision of continuing and comprehensive medical care to individuals, families, and communities—known as general practice.