a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
Origin of preservationist
1925–30; preservation + -ist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for preservationistenvironmentalist, conservationist, zoologist, ecologist, biologist, botanist, guardian, green, naturalist, activist, greenie, tree-hugger
Online Etymology Dictionary, © 2010 Douglas Harper