זבים ה׳:ז׳ - ה׳:ח׳

ואחד המסיט – who moves/shakes her from her place even though he doesn’t touch or carry [her].

רבי אליעזר אומר אף הנושא – and it speaks of one who carries, meaning to say, that the person who moves/shakes is not ritually impure unless he carries it, that they are above and the person doing the moving/shaking is below. But the Halakha is not according to Rabbi Eliezer.

הנושא את המרכב (he who carries the saddle/riding seat) – in carrying the riding seat, it is written (Leviticus 15:9-10): “[Any means for riding that one with a discharge has mounted shall be impure; whoever touches anything that was under him shall be impure until evening;] and whoever carries such things shall wash his clothes, [bathe in water and remain impure until evening],” but not touching/coming into contact with it. But the person who touches it is not other than a mere first degree of ritual impurity.

הנושא את הנבילה – that is he moves/shakes it, for carrying without shaking/moving, that person is ritually pure, as we have explained above (see Tractate Zavim, Chapter 5, Mishnah 3:"כל הנושא ונישא על הנבילה – טהור חוץ מן מסיט"/”Whatever carries or is carried on top of a carrion is clean, except for him who shifts/shakes it.” And one who also touches a carrion even though it is ritually impure, since it does not defile clothing, it does not defile two removes (i.e., makes things first degree of ritual impurity and makes non-holy produce second degree of ritual impurity) nor invalidate/make unfit one (i.e., priest’s due/heave offering becomes unfit as it is made third-degree of ritual impurity), it is not other than merely first degree of ritual impurity and it defiles one (i.e., making non-holy produce second-degree of ritual impurity) and invalidates one (i..e, making priest’s due/heave-offering third degree of ritual impurity).

מי חטאת שיש בהן כדי הזייה – they defile clothing through carrying but not through touching/contact.