Proverbs 11:15

¹³ A gossip reveals a secret, but a trustworthy person keeps a confidence.

¹⁴ For lack of guidance, a nation falls, but with many counselors comes deliverance.

He who puts up security for a stranger will surely suffer, but the one who hates indebtedness is secure.

¹⁶ A gracious woman attains honor, but ruthless men gain only wealth.

¹⁷ A kind man benefits himself, but a cruel man brings trouble on himself.

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: He who puts up security for a stranger will surely suffer, but the one who hates indebtedness is secure.
KJV: He that is surety for a stranger shall smart for it: and he that hateth suretiship is sure.
WEB: He who is collateral for a stranger will suffer for it, but he who refuses pledges of collateral is secure.
ASV: He that is surety for a stranger shall smart for it; But he that hateth suretyship is secure.
DARBY: It goeth ill with him that is surety for another; but he that hateth suretyship is secure.
BLB: One will surely suffer evil if he pledges for [for] a stranger, and one who hates striking hands remains secure.

ÅB: Ille går det den som går i borgen for en fremmed; men den som skyr å gi håndslag, er sikker.
OTB: Den som garanterer for en fremmed vil lide for det, men den som unngår slike forpliktelser er trygg.
B1930: Ille går det den som går i borgen for en fremmed; men den som skyr å gi håndslag, er sikker.

Proverbs 17:18
A man lacking judgment strikes hands in pledge and puts up security for his neighbor.
Read in context
Proverbs 6:1–5
My son, if you have put up security for your neighbor, if you have struck hands in pledge with a stranger,
Read in context
Proverbs 20:16
Take the garment of the one who posts security for a stranger; get collateral if it is for a foreigner.
Read in context
Proverbs 22:26–27
Do not be one who gives pledges, who puts up security for debts.
Read in context