What is the meaning of Changer?

Someone or something who changes things.

Someone or something that changes or transforms itself.

A moneychanger; a person employed in changing or discounting money.

to exchange (something)

to change (money, a job, one's circumstances etc.)

to change, alter (something en into)

to change (a diaper)

to change

to change (one's clothes), get changed

alternative form of changier

Source: wiktionary.org