וְאַחֲרָ֛יו שַׁמָּ֥א בֶן־אָגֵ֖א הָרָרִ֑י וַיֵּאָסְפ֨וּ פְלִשְׁתִּ֜ים לַחַיָּ֗ה וַתְּהִי־שָׁ֞ם חֶלְקַ֤ת הַשָּׂדֶה֙ מְלֵאָ֣ה עֲדָשִׁ֔ים וְהָעָ֥ם נָ֖ס מִפְּנֵ֥י פְלִשְׁתִּֽים׃
And after him was Shammah the son of Age the Ararite. And the Philistines were gathered together into a troop, where was a plot of ground full of lentils; and the people fled from the Philistines.
Rashi
Your congregation dwelt therein Heb. (חיתך). Your congregation has dwelt therein, as (II Sam. 23:11): “and the Philistines gathered together their camp (sic) into a troop (לחיה).” Another explanation: The congregation of Israel is known as the animal and the beast of the Holy One, blessed be He.
Rashi
he was among the three mighty men He was included in the three mighty men; he was one of them. And these three were mightier than the rest of the thirty three mentioned nearby. Here he counts only two: Jashobeam and Eleazar, but in Samuel (II 23:11), it mentions the third one as well, as it is written: “and after him [came] Shammah the son of Agei the mountaineer”
Rashi
Do not deliver to the company To the companies of the nations, as (II Sam. 23:11): “Now the Philistines were gathered together into a troop (לחיה).”