I'm trolling? For asking you to source one claim? This is the sixth time you've been asked to provide sources. Two people have asked. Your unsourced comment is flagged. The one source you provided does not match your claims afaict.
You can find many other mainstream sources calling him a "leader" by simply doing a Google News search for the term "Mahmoud Khalil leader".
This is something you could have taken 2 seconds to Google. This is why you're trolling and acting in bad faith. Regardless of our discussions here, Mahmoud is being deported and many more are to come according to statement put out by the White House.