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.
Steward(noun) a person employed in a hotel, or a club, or on board a ship, to provide for the table, superintend the culinary affairs, etc. In naval vessels, the captain's steward, wardroom steward, steerage steward, warrant officers steward, etc., are petty officers who provide for the messes under their charge.