Like the Driver, the Expressive makes decisions very quickly. But, unlike the Driver, the Expressive is a people person.
These are the people who are fanatical about global warming and recycling and, they expect you to share their views. They have the vision for the great society and if you would only follow them, they would change the world.
So, if you are considering joining this personality type, plan on donating a whole lot of time to various projects and causes. But, in the end, unless you are an Expressive, you will never be truly accepted. Sorry.