Creationists, apparently, are tired of getting put in the creationist box. So they are fighting fire with fire by creating a new box and a new term to go with it: the evolutionist. You can see the use of the new term here:
I just want to ask you some questions. I’m assuming you’re an evolutionist.
That makes scientists gravityists too. And atomists. And photonists. And quarkists. And…
By the way, Christians are no longer the only creationists. There are now Islamic creationists too, as described by Richard Dawkins in this interview:
This article goes into more depth: An Islamic Creationist Stirs a New Kind of Darwinian Struggle
Learn more about God’s perfect creation in this video: