Tosefta for Job 33:23

אִם־יֵ֤שׁ עָלָ֨יו ׀ מַלְאָ֗ךְ מֵלִ֗יץ אֶחָ֥ד מִנִּי־אָ֑לֶף לְהַגִּ֖יד לְאָדָ֣ם יָשְׁרֽוֹ׃

If there be for him an angel, An intercessor, one among a thousand, To vouch for a man’s uprightness;