preserver vs preserve

preserver and preserve both are nouns.

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

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

preserver (verb)	preserve (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