compositor

Etymology

From French compositeur, from Latin compositor.

noun

1. A person who sets type; a typesetter.
   However late medieval copyists were supervised — and controls were much more lax than many accounts suggest — scribes were incapable of committing the sort of "standardized" error that was produced by a compositor who dropped the word "not" from the Seventh Commandment and thus created the "wicked" Bible of 1631. 1983, Elizabeth L. Eisenstein, The Printing Revolution in Early Modern Europe, Cambridge University Press, Second edition, 2005, p. 56
2. One who, or that which, composes or sets in order.
   I work as an image compositor.
3. (computer graphics) A system that puts images together in a buffer (such as individual windows on a desktop) to generate a final display image.