environmentalist

 
Pronunciation: /ɪnˌvʌɪrənˈmɛnt(ə)lɪst, ɛn-/

noun

  • 1a person who is concerned about protecting the environment: [as modifier]: the environmentalist movement
  • 2a person who considers that environment, as opposed to heredity, has the primary influence on the development of a person or group.

Derivatives

environmentalism

noun