Commentary for Kiddushin 82:14
איצטריך סד"א הואיל ואמר מר אתם ולא אריסין אתם ולא שותפין אתם ולא אפוטרופוס אתם ולא התורם את שאינו שלו אימא אתם ולא שלוחכם נמי קמ"ל
- what is the need of ye', ye also'? - It is necessary: I might reason, Since a Master said: 'Ye', but not tenant-farmers;<span class="x" onmousemove="('comment',' A tenant-farmer who leases land and pays a percentage of the crops as rent cannot separate terumah upon the landlord's share without his authority.');"><sup>28</sup></span> 'ye,' but not partners;<span class="x" onmousemove="('comment',' Likewise, one partner in a field cannot separate terumah for the other without the latter's consent.');"><sup>29</sup></span> 'ye,' but not guardians;<span class="x" onmousemove="('comment',' Of orphans estates.');"><sup>30</sup></span>
Daf Shevui to Kiddushin
Daf Shevui to Kiddushin
Thus in the end we have solved why we need the midrash on the words “also you” even though we might think that we could have derived this law from other fields of halakhah.