conservationist

There is no effort on the part of the Conservationist to interfere with any duty that the State ought to and can perform.

Make this a rule and you will avoid friction and show yourself truly a conservationist with the best.

He admitted to his friend, conservationist Gifford Pinchot, that the problem would have to be faced someday, but not during a war.

The beaver is a valuable conservationist, but there are localities in which he cannot be tolerated.

The bear will gorge himself on these cherries, and he is no conservationist.