שַׂ֣ר הַצָּבָ֤א הַשְּׁלִישִׁי֙ לַחֹ֣דֶשׁ הַשְּׁלִישִׁ֔י בְּנָיָ֧הוּ בֶן־יְהוֹיָדָ֛ע הַכֹּהֵ֖ן רֹ֑אשׁ וְעַל֙ מַחֲלֻקְתּ֔וֹ עֶשְׂרִ֥ים וְאַרְבָּעָ֖ה אָֽלֶף׃
三月第三位軍長是祭司耶何耶大的兒子比拿雅，他是首領；他班內有兩萬四千人。
Rashi
The leader of the third host Heb. שַׂר הַצָּבָא הַשְּׁלִישִי. Because of the honor of Benaiah, he calls him the leader of the host more than the others, with the exception of Jashabeam, who was of the sons of Perez, who is likewise called (verse 3): “the chief of all the leaders of the hosts,” because of David’s honor, who was, like him, [one] of the sons of Perez.
Rashi
the priest, the chief who was the chief, and some say that he was the high priest, but it is not so, because Zadok and Ebiathar were high priests.