Pe'ah- Leaving the corners of the field unharvested
Leket- Not harvesting dropped produce
Shichicha- Not harvesting that which has been forgotten
Supplementary Texts
(ז) העמר ששכחוהו פועלים ולא שכחו בעל הבית, שכחו בעל הבית ולא שכחוהו פועלים, עמדו עניים בפניו או שחפוהו בקש, הרי זה אינו שכחה.
(7) A sheaf that is forgotten by workers and not forgotten by the property owner, or that is forgotten by the property owner and not forgotten by the workers, or if the poor stood before it [thereby concealing it], or covered it with straw, indeed this is not Shikhechah.
(ד) וְכֵן בְּלֶקֶט כְּשֶׁקּוֹצֵר וּמְאַלֵּם לֹא יְלַקֵּט הַשִּׁבֳּלִים הַנּוֹפְלוֹת בִּשְׁעַת הַקָּצִיר אֶלָּא יַנִּיחֵם לָעֲנִיִּים שֶׁנֶּאֱמַר (ויקרא יט ט) (ויקרא כג כב) "וְלֶקֶט קְצִירְךָ לֹא תְלַקֵּט".
And so it is with leket [overlooked gleanings] as one reaps and binds, one may not gather the fallen stalks at the time of reaping, but rather one should leave them for the poor, as it is said, (Lev. 23:22) Or gather the gleanings of your harvest.
Jewish tradition ensured that farmers would provide sustenance for the hungry. This mitzvah evolved in an agricultural society. What are some guidelines you can create for other modern professions similar to those required by this mitzvah? (Example: A lawyer can donate a certain number of hours of legal services to the poor each year.)