1. People who advocate for or work to protect and maintain historical, cultural, environmental, or natural resources from destruction or change
The preservationists fought to save the historic building from demolition.
Os preservacionistas lutaram para salvar o edifício histórico da demolição.
2. Activists dedicated to conservation and environmental protection
Environmental preservationists work to protect endangered species and their habitats.
Os preservacionistas ambientais trabalham para proteger espécies ameaçadas e seus habitats.