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Text Excerpt
והמפקח את הגל, וכן מי שהבטיחוהו להוציאו מבית האסורים, והחולה והזקן שהן יכולין לאכול כזית — שוחטין עליהן.
and one clearing a pile of stones that collapsed on top of a person, in which case there is a possibility that the person buried underneath is dead and his corpse will impart ritual impurity to the person clearing the pile; and similarly, one whom the governing body promised to release from prison on the night of Passover; and an ill person and an elderly person who are still capable of eating an olive-bulk of meat, one slaughters the Paschal lamb on their behalf, since they are currently fit to eat the Paschal lamb.
על כולם אין שוחטין עליהן בפני עצמן, שמא יביאו את הפסח לידי פסול.
However, with regard to all of them, this is only true when they are included in a group with other people who will definitely be able to partake of the lamb; but we do not slaughter the Paschal lamb on their behalf if they are by themselves, either as individuals or in a group composed entirely of such people, because perhaps they will cause the Paschal lamb to become disqualified, since there is a possibility that by the night of Passover they will be unable to partake of the Paschal lamb.
לפיכך אם אירע בהן פסול — פטורין מלעשות פסח שני, חוץ מן המפקח בגל, שהוא טמא מתחלתו.
Therefore, since they were registered for a Paschal lamb and it was slaughtered when they were still fit to partake of it, even if a disqualification occurred to them later, preventing them from partaking of the Paschal lamb, they are nevertheless exempt from observing the second Pesaḥ. The exemption from the second Pesaḥ is dependent not on whether they partook of a Paschal lamb, but on whether it was validly slaughtered on their behalf. This holds true except for one who was clearing a pile of stones where the person buried underneath was eventually found dead, because in such a case the person searching for him certainly stood over the corpse at some point. He had therefore become ritually impure from the outset, even before the Paschal lamb was slaughtered. Consequently, he would not have been fit even during the slaughter and will have to observe the second Pesaḥ.