A tailor is a person whose occupation is to sew and scissor menswear style jackets and the skirts or trousers that go with them.
The term refers to a set of specific hand and machine sewing and pressing techniques that are unique to the construction of traditional jackets. Retailers of tailored suits often take their services internationally, traveling to various cities, allowing the client to be measured locally.
A tailor-made is a woman's suit consisting of a (usually) woolen or tweed coat and shirt; the name arose during the Edwardian period.
Sewing professional is the most general term for those who make their living by sewing, teaching, writing about sewing, or retailing sewing supplies. They may work out of their home, a studio, or retail shop, and may work part-time or full-time. They may be any or all or the following sub-specialties:
A custom clothier makes custom garments one at a time, to order, to meet an individual customer's needs and preferences.
A custom dressmaker specializes in women's custom apparel, including day dresses, careerwear, suits, evening or bridal wear, sportswear, or lingerie.
A tailor makes custom menswear-style jackets and the trousers or skirts that go with them, for men or women.
An alterations specialist, or alterationist adjusts the fit of completed garments, usually ready-to-wear, or restyles them. Note that while all tailors can do alterations, by no means can all alterationists do tailoring.
Designers think up combinations of line, proportion, color, and texture for intended garments. They may or may not have sewing or patternmaking skills, and may only sketch or conceptualize garments. They need to work with people who know how to actually construct the garment, or else the sketch will remain a sketch.
Patternmakers flat draft the shapes and sizes of the numerous pieces of a garment by hand using paper and measuring tools or by computer using AutoCAD based software, or by draping muslin on a dressform. The resulting pattern pieces must comprise the intended design of the garment and they must fit the intended wearer.
A wardrobe consultant, fashion advisor, or stylist recommends styles and colors that are flattering for a client. They are often employed by actresses and others who wear haute couture clothes.
A Seamstress is someone who sews seams, or in other words, a machine operator in a factory who may not have the skills to make garments from scratch or to fit them on a real body. This term is not a synonym for dressmaker. Seamstress is an old euphemism for prostitute