וַיִּקַּ֣ח דָּוִ֔ד אֶת־כָּל־הַצֹּ֖אן וְהַבָּקָ֑ר נָהֲג֗וּ לִפְנֵי֙ הַמִּקְנֶ֣ה הַה֔וּא וַיֹּ֣אמְר֔וּ זֶ֖ה שְׁלַ֥ל דָּוִֽד׃
And David took all the flocks and the herds, which they drove before those other cattle, and said: ‘This is David’s spoil.’
Rashi on I Samuel
All the sheep and cattle. Which the troop had captured from the south of Yehudah and from the south of Caleiv.
Rashi on I Samuel
They led. Men who were leading and marching before those cattle, to honor and praise themselves,4Some suggest that the men did this to publicize Dovid’s sovereignty. [by declaring,] 'This is Dovid's spoil.'