shifter

One who, or that which, shifts or changes.

A word whose meaning changes depending on the situation, as by deixis.

Someone who plays tricks; a trickster.

An assistant to the ship's cook in washing, soaking, and shifting the salt provisions.

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.

A wire for changing a loop from one needle to another, as in narrowing, etc.

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.

A spanner with an adjustable jaw size.

A person employed to repair the horseways and other passages, and keep them unobstructed.

A switcher or shunter: a railroad locomotive used for shunting.

A shape-shifter; a person or other being capable of changing their physical form, especially a lycanthrope.

A shiftworker.

Ellipsis of reality shifter.