"Of course it's risky. But you are a union that's here to change things, are you not ? If you stay in hiding, nothing will change. It's time to do more than just talk among yourselves, and enact on these words. I'll go talk to the other unions."
All the people in the room look at you, hesitating. Then, one of them agrees. And then another, and another. Some disagree, some try to think of what action could be done. You head out, to the other unions.