Proverbs 11:15
Securing a loan for a stranger will bring suffering, but by refusing to do so, one remains safe.
Proverbs 17:18
A man who lacks sense cosigns a loan, becoming a guarantor for his neighbor.
Proverbs 6:1-5
My son, if you guarantee a loan for your neighbor, if you have agreed to a deal with a stranger,
Proverbs 20:16
Take the garment of anyone who puts up collateral for a stranger; hold it in pledge if he does it for an unfamiliar woman.
Proverbs 22:26-27
Don't be one of those who make promises to guarantee loans for debts.
Treasury of Scripture Knowledge
Summary
                            He that is surety for a stranger shall smart for it: and he that hateth suretiship is sure.                        
                    That is surety
General references
Bible References
That is surety
                                        Proverbs 6:1                                        
                                                                                                                                My son, if you guarantee a loan for your neighbor, if you have agreed to a deal with a stranger,
                                    
                                        Proverbs 17:18                                        
                                                                                                                                A man who lacks sense cosigns a loan, becoming a guarantor for his neighbor.
                                    
                                        Proverbs 20:16                                        
                                                                                                                                Take the garment of anyone who puts up collateral for a stranger; hold it in pledge if he does it for an unfamiliar woman.
                                    
                                        Proverbs 22:26                                        
                                                            
                        Don't be one of those who make promises to guarantee loans for debts.
                                    General references
                                        Proverbs 22:26                                        
                                                            
                        Don't be one of those who make promises to guarantee loans for debts.