(n.) One who, or that which, liberates; a deliverer.
Thesaurus Entries
Audubon Society, National Wildlife Service, Sierra Club, conservationist, conservator, forest ranger, freer, game warden, keeper, liberator, lifesaver, manumitter, preservationist, preserver, ranger, redeemer, rescuer, safekeeper, saver, savior, taxidermist
