A podiatrist also renders care of sprains, fractures, infections, and injuries of the foot, ankle and heel. In addition to undergraduate medical school training, podiatrists also attend graduate school for a doctorate degree in podiatry.
A guild is an association of artisans or merchants who control the practice of their craft in a particular town. The earliest types of guild were formed as confraternities of tradesmen. They were organized in a manner something between a professional association, trade union, a cartel, and a secret society.
trade union - an organization of employees formed to bargain with the employer; you have to join the union in order to get a job. labor union, trades union, union, brotherhood. organization, organisation - a group of people who work together. industrial union, vertical union - a labor union that admits all workers in a given industry irrespective of their craft. craft union - a labor union whose membership is restricted to workers in a particular craft.