וַיְהִ֗י בִּֽהְיוֹת֙ הַמִּלְחָמָ֔ה בֵּ֚ין בֵּ֣ית שָׁא֔וּל וּבֵ֖ין בֵּ֣ית דָּוִ֑ד וְאַבְנֵ֛ר הָיָ֥ה מִתְחַזֵּ֖ק בְּבֵ֥ית שָׁאֽוּל׃
At habang may digmaan sa pagitan ng sambahayan ni Saul at ng sambahayan ni David, si Abner ay buong-lakas na nagpapatibay sa sambahayan ni Saul.
Rashi
Was strengthening. With all his might over the house of Shaul, to establish its monarchy.