The greatest and most important in society (of the group)/ the leader of the company/ big gun
In question: The leader of the group. The best or the greatest who understands all (Ari means lion).
("Rava said: I and the Ari who was in the company interpreted, and who is he? Rav Chaya bar Avin (Translation: I and the Ari who was in the company interpreted. And who is he? Rabbi Chaya bar Avin" - Sanhedrin 8 ab), and so: "The magnetic force in the family of the Odesa writers was, as it were, the bookseller Mendel - the Ari who was in the company, and the head The Masters in Jewish Fiction "- Berkowitz/ My Writings, Volume 2, Wandering, and so: "He would stand or walk amidst the company of his grandchildren and his many admirers, who would fall upon him with love, and see him as a lion in a company, and also as a young man in a company-Bialik/ and Mendel the Elder)
Translation
Expression (Hebrew)
הָאֲרִי שֶׁבַּחֲבוּרָה
Definition (Hebrew)
בְּהַשְׁאָלָה: הַמַּנְהִיג שֶׁל הַקְּבוּצָה. הַטּוֹב אוֹ הַגָּדוֹל שֶׁמֵּבִין כֻּלָּם (אֲרִי מַשְׁמָע אַרְיֵה).
("אָמַר רָבָא: אֲנִי וַאֲרִי שֶׁבַּחֲבוּרָה תַּרְגֵּמְנָא, וּמַנּוּ ? רַב חִיָּא בַּר אָבִין (תַּרְגּוּם: אֲנִי וְהָאֲרִי שֶׁבַּחֲבוּרָה פָּרַשְׁנוּ. וּמִיהוּ? רַבִּי חִיָּא בַּר אָבִין"- סַנְהֶדְרִין ח ע"ב, וְכֵן:"הַכֹּחַ הַמַּגְנֵטִי בְּמִשְׁפַּחַת הַסּוֹפְרִים הָאוֹדֵסָאִים הָיָה, כַּמּוּבָן, מֶנְדֵּלֵי מוֹכֵר סְפָרִים- הָאֲרִי שֶׁבַּחֲבוּרָה, וְרֹאשׁ הָאָמָּנִים בַּסִּפְרוּת הַסִּפּוּרִית הַיְּהוּדִית "-בֶּרְקוֹבִיץ/ כִּתְבֵי, כֶּרֶךְ ב', נְדוּדִים, וְכֵן:"הָיָה עוֹמֵד אוֹ מִתְהַלֵּךְ בְּתוֹךְ מְסִבַּת נְכָדָיו וּמַעֲרִיצָיו הָרַבִּים, הַמִּתְרַפְּקִים עָלָיו בְּאַהֲבָה, וּמַרְאֵהוּ כַּאֲרִי שֶׁבַּחֲבוּרָה,וְגַם כְּצָעִיר שֶׁבַּחֲבוּרָה-בְּיָאלִיק/ וּמֶנְדֵּלֵי זָקֵן)