>through recent posts, is enough.
But if your can't do that. If all they do is ask for money and seek vulnerable people to ask for money, I would urge caution, and to not boost or donate to that one person out of the millions in need.
And if you are in need, just a little interaction with your followers can really help win people over to giving you money. *Just* seeking followers you think will sympathise and then spamming then with requests for donations is maybe>