conservationist(n = noun.person) environmentalist - someone who works to protect the environment from destruction or pollution;
is a kind of crusader, meliorist, reformer, reformist, social reformer
has particulars: green, tree hugger, carson, rachel carson, rachel louise carson, barbara ward, baroness jackson of lodsworth, ward
Derived forms noun conservation2, noun conservation1
conservationist, n. a supporter or advocate of environmental conservation.