a: camera obscura b: a device that consists of a lightproof chamber with an aperture fitted with a lens and a shutter through which the image of an object is projected onto a surface for recording (as on film) or for translation into electrical impulses (as for television broadcast). â off camera.
serf. 1  a person in a condition of servitude, required to render services to a lord, commonly attached to the lord's land and transferred with it from one owner to another. 2  a slave.
(plural indentured servants) A debt bondage worker who is under contract of an employer for a specified period of time, in exchange for transportation, food, drink, clothing, lodging and other necessities.