When you make a deal with a stranger, get something from him and any other foreigners with him to make sure he will pay you.
If someone promises to pay the debt of a stranger, get a coat or something from him to keep until the debt is paid.
You might take their cloak to make sure they pay the money back, but you must give that cloak back to them before sunset.
You will be sorry if you promise to pay a stranger’s debt. Refuse to make such promises and you will be safe.
Wise people see trouble coming and get out of its way, but fools go straight to the trouble and suffer for it.