One of the most effective things a right-thinking individual can do to help bring down the destructive Left is by withholding funds. So let's say you are an alumnus or alumna of the Jesuit Gonzaga University. You get wind of the fact that Melissa Click of Mizzou fame notoriety has been hired there. To express your disapprobation of this egregious abdication of authority on the part of the administration, reply to the next funding appeal with a curt refusal.
Here is another outrage: Catholic University DePaul Bans "Unborn Lives Matter"
Defund the scum. Across the board. We now have the initiative. Press it hard.