Yaakov HaKohen appears in the correspondence of the Lubavitcher Rebbe as a dedicated community figure, involved in the leadership and material support of a synagogue and its rabbi. His engagement with communal affairs and financial matters is evident from the Rebbe's response to his inquiries and reports.
The Rebbe's letter to Yaakov HaKohen, dated 27 Adar Rishon, 5711 (1951), addresses pressing financial difficulties faced by the synagogue, specifically the inability to pay the rabbi's rent for two months. The Rebbe references a related conversation with Mr. Levitansky and offers practical guidance based on his understanding of the relationship between his father-in-law, the previous Rebbe, and both the synagogue and its rabbi. The Rebbe advises that, temporarily, the synagogue's lay leaders ("baalei batim") should advance the necessary funds, and that a fundraising campaign or appeal should be organized at the earliest opportunity to resolve the deficit and establish a special fund to avoid future reliance on loans.
The Rebbe also expresses surprise that Yaakov HaKohen did not mention the business affairs of Mr. Yosef Robinson, urging him to address this in future correspondence. The tone of the letter is both practical and encouraging, reflecting the Rebbe's concern for the well-being of the community and its leadership.
The Rebbe concludes his letter with a brief Torah teaching shared at a recent farbrengen (gathering) on Shabbat Parshat Vayakhel. He highlights the precision of every word and letter in the Torah, noting the seemingly repetitive descriptions of the Mishkan's vessels and priestly garments in the portions of Vayakhel and Pekudei. The Rebbe explains that while the initial descriptions (in Terumah and Tetzaveh) were given by G-d to Moshe on Mount Sinai in a spiritual context, the repetition in Vayakhel-Pekudei reflects the actual construction by the Jewish people in the physical world. This, he teaches, underscores the ultimate fulfillment of G-d's desire: the establishment of a dwelling for the Divine presence in the material realm. The Rebbe draws a lesson from this for communal work, encouraging perseverance and not to be discouraged by the challenges of translating spiritual ideals into practical reality.