Jewish Publication Society of America Version (JPS1917) - Psalms 55:20 >

(55-21) He hath put forth his hands against them that were at peace with him; he hath profaned his covenant.

King James Version (KJV) - Psalms 55:20 >

He hath put forth his hands against such as be at peace with him: he hath broken his covenant.

Berean Study Bible (BSB) - Psalms 55:20 >

My companion attacks his friends; he violates his covenant.