יָרַד לְאָומָּנוּת חֲבֵרוֹ

ביטוי (אנגלית)

To encroach on a fellow's trade/ to trespass upon someone's occupation/ to compete with

הגדרה (אנגלית)

To compete in a friend's business in an unfair way. To work in the same profession that someone else was already practicing and thereby harm that person's economic standing.

("And he did not defile his neighbor's wife"—meaning that he did not encroach on his fellow's trade, and "he did not come near a menstruant woman"—meaning that he did not benefit from charity funds"—Sanhedrin 81a; and also: "One who encroaches on his fellow's livelihood is as though he had come upon his wife"—R. Nachman of Breslov / Likkutei Moharan, Torah 23, 3.)