וַֽיְהִי֙ כַּאֲשֶׁ֣ר כִּלָּ֔ה לְהַקְרִ֖יב אֶת־הַמִּנְחָ֑ה וַיְשַׁלַּח֙ אֶת־הָעָ֔ם נֹשְׂאֵ֖י הַמִּנְחָֽה׃
La remise du présent opérée, il renvoya les gens qui l’avaient porté.
Rashi
He escorted the people. He turned back to accompany the delegation of Yisroelites who came with him to bear the gift. He escorted them until Gilgal.
Metzudat David
FINISHED BRINGING: After he gave over the tribute
Metzudat David
...AND HE SENT: Because with one it is easier to escape. This is not to for a group