Tradesman in the context of "Craft production"

Professionalization or professionalisation is a social process by which any trade or occupation transforms itself into a true "profession of the highest integrity and competence." The definition of what constitutes a profession is often contested. Professionalization tends to result in establishing acceptable qualifications, one or more professional associations to recommend best practice and to oversee the conduct of members of the profession, and some degree of demarcation of the qualified from unqualified amateurs (that is, professional certification). It is also likely to create "occupational closure", closing the profession and activities it encompasses to entry from outsiders, amateurs and the unqualified.

Occupations not fully professionalized are sometimes called semiprofessions. Critique of professionalization views overzealous versions driven by perverse incentives (essentially, a modern analogue of the negative aspects of guilds) as a form of credentialism.

Indentured servitude is a form of labor in which a person is contracted to work without salary for a specific number of years. The contract, called an "indenture", may be entered voluntarily for a prepaid lump sum, as payment for some good or service (e.g. travel), purported eventual compensation, or debt repayment. An indenture may also be imposed involuntarily as a judicial punishment. The practice has been compared to the similar institution of slavery, although there are differences.

Historically, in an apprenticeship, an apprentice worked with no pay for a master tradesman to learn a trade. This was often for a fixed length of time, usually seven years or less. Apprenticeship was not the same as indentureship, although many apprentices were tricked into falling into debt and thus having to indenture themselves for years more to pay off such sums.

A blue-collar worker is a person who performs manual labor or skilled trades. Blue-collar work may involve skilled or unskilled labor. The type of work may involve manufacturing, warehousing, mining, carpentry, electrical work, custodial work, agriculture, logging, landscaping, food processing, waste collection and disposal, construction, shipping, and many other types of physical work. Blue-collar work often involves something being physically built or maintained. In social status, blue-collar workers generally belong to the working class.

In contrast, the white-collar worker typically performs work in an office environment and may involve sitting at a computer or desk. A third type of work is a service worker (pink collar) whose labor is related to customer interaction, entertainment, sales or other service-oriented work — particularly those service jobs that have been traditionally considered to be women's work, such as secretaries, nurses, teachers, early childhood educators, florists, etc. Many occupations blend blue, white, or pink-collar work and are often paid hourly wage-labor, although some professionals may be paid by the project or salaried. There are a wide range of payscales for such work depending upon field of specialty and experience.

In sociology, an occupational closure (or professional demarcation) is the process whereby a trade or occupation (vocation) transforms itself, or tries to transform itself, into a true profession by closing off entry to the profession to all but those people who are suitably qualified, as defined by the practitioners already practicing the occupation in any given jurisdiction. This can be achieved by licensure (occupational licensing) and professional certification, barring entry to all except those who have passed certain entrance examinations and grades of training, or by allowing entry only to those who have gained membership of a specific professional body (a professional association, such as a particular medical society). It can also be achieved by trade unionism, and most especially craft unionism as contrasted with industrial unionism, in countries where sufficient union membership (as a percentage of workers in an occupation) can be achieved despite the prevailing gradient of union busting.

What this means in practical terms, is that an architect or physician, for example, will firstly be a university graduate in their main subject, second, will have passed entrance examinations to join a recognised professional body and thirdly, will also be licensed to practise medicine or architecture, usually also obtained through sitting examinations. Therefore, such professions are open only to those who satisfy these requirements and are closed to everyone else. It is thus illegal for any other person to practice medicine or to pose as an architect.

A trade magazine, also called a business-to-business magazine, trade journal, or trade paper (colloquially or disparagingly a trade rag), is a magazine or newspaper whose target audience is people who work in a particular trade or industry. The collective term for this area of publishing is the trade press.

Apprenticeship is a system for training potential new practitioners of a trade or profession with on-the-job training and often some accompanying study. Apprenticeships may also enable practitioners to gain a license to practice in a regulated occupation. Most of their training is done while working for an experienced employer who helps the apprentices learn their trade or profession, in exchange for their continued labor for an agreed period after they have achieved measurable competencies.

Apprenticeship lengths vary significantly across sectors, professions, roles and cultures. In some cases, people who successfully complete an apprenticeship can reach the "journeyman" or professional certification level of competence. In other cases, they can be offered a permanent job at the company that provided the placement. Although the formal boundaries and terminology of the apprentice/journeyman/master system often do not extend outside guilds and trade unions, the concept of on-the-job training leading to competence over a period of years is found in any field of skilled labor.