They'll just subscribe, charge it to petty cash, and reappear.
In the old days, people had to use their real names and boards were actively moderated. I support active moderation. Heck, feel free to delete posts by me if you think I get out of line.
The claim of being a "charity worker", I've seen that on too many boards now. It's a big red flag, imo.
This is a little old (tactics tend to evolve over time) but you might find this interesting reading (if you haven't seen it already):
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