What's a Fomer squirrelbuster.
To be sure, Bert was never really a "Squirrel Buster". He answered an ad for a free-lance gig that paid well, and as he had no knowledge of the agenda and gigs are hard to turn down, he went for it. To his credit, he soon discerned the true lunacy of the mission, got his ass out, and has essentially joined the good guys - another citizen whose unfamiliarity with this cult was transformed into abject horror, then committed opposition.
Nice going, David Miscavige. You should write a book about making enemies, 'cause you sure are the expert in that...