shifter

Noun

 * 1) One who, or that which, shifts or changes.
 * 2)  A word whose meaning changes depending on the situation, as by deixis.
 * 3)  Someone who plays tricks; a trickster.
 * 4)  An assistant to the ship's cook in washing, soaking, and shifting the salt provisions.
 * 5)  A control device (usually a lever or button) for shifting gears in a gearbox, or an arrangement for shifting a belt sidewise from one pulley to another.
 * 6)  A wire for changing a loop from one needle to another, as in narrowing, etc.
 * 7)  A component used by the rider to control the gearing mechanisms and select the desired gear ratio, usually connected to the derailleur by a mechanical actuation cable.
 * 8) A spanner with an adjustable jaw size.
 * 9)  A person employed to repair the horseways and other passages, and keep them unobstructed.
 * 10)  A switcher or shunter: a railroad locomotive used for shunting.
 * 11)  A shape-shifter; a person or other being capable of changing their physical form, especially a lycanthrope.
 * 12) A shiftworker.
 * 1)  A switcher or shunter: a railroad locomotive used for shunting.
 * 2)  A shape-shifter; a person or other being capable of changing their physical form, especially a lycanthrope.
 * 3) A shiftworker.
 * 1) A shiftworker.