One who teaches his friend's son Torah
See: "Whoever teaches his neighbor's son Torah, it is written, 'He is like his own son.'"
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Translation
Expression (Hebrew)
הַמְּלַמֵּד בֶּן חֲבֵרוֹ תּוֹרָה מַעֲלָה עָלָיו הַכָּתוּב כְּאִלּוּ יְלָדוֹ
Definition (Hebrew)
רְאֵה: "כָּל הַמְלַמֵּד בֶּן חֲבֵרוֹ תּוֹרָה מַעֲלֶה עָלָיו הַכָּתוּב כְּאִלּוּ יְלָדוֹ".
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