Sorry I said radical because we use the same word in french but the meaning is probably a bit different, I should have said perhaps extreme or very opinionated?

Sorry I said radical because we use the same word in french but the meaning is probably a bit different, I should have said perhaps extreme or very opinionated? I wanted to say that he cares very deeply about free software and the whole philosophy of it, which can make him appear as "radical" to some people. I hope I was able to clarify.