The term 'ONE WHO ADJUSTS THE SHADES' can be summarized as a Dyer, which is a four-letter word. A Dyer is someone who dyes fabrics and other materials to give them a certain color or shade. They use a variety of techniques to achieve the desired color, such as using chemical dyes, natural dyes, or even bleaching. Dyers are often employed in the textile industry, but they can also be found in other industries such as leatherworking and printing.