Changer
Changer , noun
1.
One who changes or alters the form of anything.
2.
One who deals in or changes money. — John ii. 14
3.
One apt to change; an inconstant person.
4.
an electronic device which changes one replaceable medium for another, such as a record changer, which can store several records and move each one automatically to the playing table; or a CD changer, which can store multiple compact disks and move each one to the reading slot, in a sequence determined by the user.