Rashi on Deuteronomy
ולא יראה בך THAT HE SEE NOT IN THEE — that the Holy One, blessed be He see not in thee ערות דבר A NAKEDNESS OF ANYTHING.
Sforno on Deuteronomy
והיה מחניך קדוש, both free of ritual impurities as well as from repulsive things, even though not ritually impure.
Rashbam on Deuteronomy
מתהלך, for also the Holy Ark containing a copy of the Torah went out to war with the army, as is written: וכלי הקודש וחצוצרות התרועה בידו, ”with the holy vessels and the trumpets in his hand (Numbers 31,6) [Pinchas accompanying the 12.000 men on the punitive expedition against Midian. Ed.]