pledge vs pledger

pledge and pledger both are nouns.

Word	Noun	Adjective	Verb	Adverb
pledge	Yes	No	Yes	No
pledger	Yes	No	No	No

pledge (noun)	pledger (noun)
a binding commitment to do or give or refrain from something	someone who makes or gives a pledge
a drink in honor of or to the health of a person or event
someone accepted for membership but not yet fully admitted to the group
a deposit of personal property as security for a debt

pledge (verb)	pledger (verb)
promise solemnly and formally
bind or secure by a pledge
give as a guarantee
propose a toast to
pay (an amount of money) as a contribution to a charity or service, especially at regular intervals