I don't see a sarcasm tag, so I'll respond as though you were being serious:
No.
I don't.
But because charity is a good thing, and because I've already paid the rent this month and contributed (voluntarily) to some local needs;
I'd be glad to send them some nails and two by fours, plant seeds, or fishing tackle so they can help themselves, where they are at, somewhere other than here.
“You don’t think we, the developed world, having reached a stratospheric level of success, owe a duty to try and improve the lots of those less fortunate than us?”
We already do.
BUT.... we must not do so at the expense or risk of our own sovereignty and security. Many religious Open Borders folks use your words to shame others into compliance. Folks who understand what we have to lose aren’t biting.
Absolutely! As a practical matter, I think it behooves us to not only heed the words of the Church in her call for compassionate immigration regulation, but to actually follow her lead and adopt immigration laws which mirror that of her own nation, the Vatican.