A man void of understanding strikes hands, and becomes surety in the presence of his friend.
Proverbs 6:1-5 My son, if you be surety for your friend, if you have stricken your hand with a stranger...
Proverbs 11:15 He that is surety for a stranger shall smart for it: and he that hates indebtedness is sure.
Proverbs 20:16 Take his garment that is surety for a stranger: and take a pledge of him for a strange woman.
Proverbs 22:16,27 He that oppresses the poor to increase his riches, and he that gives to the rich, shall surely come to want...