preserve vs preserver

preserve and preserver both are nouns.

Word	Noun	Adjective	Verb	Adverb
preserve	Yes	No	Yes	No
preserver	Yes	No	No	No

preserve (noun)	preserver (noun)
fruit preserved by cooking with sugar	rescue equipment consisting of a buoyant belt or jacket to keep a person from drowning
a reservation where animals are protected	a skilled worker who is employed to restore or refinish buildings or antique furniture
a domain that seems to be specially reserved for someone	someone who keeps safe from harm or danger
	a cook who preserves fruits or meat

preserve (verb)	preserver (verb)
prevent (food) from rotting
keep in safety and protect from harm, decay, loss, or destruction
to keep up and reserve for personal or special use
keep or maintain in unaltered condition; cause to remain or last
maintain in safety from injury, harm, or danger
keep undisturbed for personal or private use for hunting, shooting, or fishing