One of the main reasons people from the dominant culture (i.e., cis, straight, White men like me) don't get involved in conversations about diversity, race, identity, and other uncomfortable and unfamiliar (to them) topics is because they're afraid that they're going to make a mistake.
They're afraid they don't have the subject matter expertise to contribute. They're afraid that they don't know what they're talking about. They're afraid that they'll be scolded for "doing it wrong."
You have to get over your fear. You have to absorb criticism. You have to be open to learning. You have to not take things personally.
You have to do your personal development and your cultural competence work on your own time.
And, while you're evolving your consciousness, you have to be an active ally, advocate, and accomplice in creating an inclusive culture where everyone feels like they belong.
This isn't "their" problem. And it's not "your" problem. It's everyone's responsibility to educate themselves, learn from their mistakes, and stay present in the conversations that impact all of us.
You can't wait to "arrive" before you start contributing. No one arrives. We're all here already. Now. Start doing the work.
People are depending on you.