The Laws › Commandment #90
Commandment #90 · Positive · Purity Laws

Send the Ritually Impure Outside the Camp

שִׁלּוּחַ הַטָּמֵא מִן הַמַּחֲנֶה
Source: Numbers 5:2  ·  Maimonides, Sefer HaMitzvot, Positive #90

Because the LORD Himself dwelt at the center of the camp, those carrying the most severe forms of impurity were temporarily moved beyond its boundary — a geography of exclusion that, centuries later, became the very place where deliverance was first discovered and ultimately offered.

צַו אֶת בְּנֵי יִשְׂרָאֵל וִישַׁלְּחוּ מִן הַמַּחֲנֶה כָּל צָרוּעַ וְכָל זָב וְכֹל טָמֵא לָנָפֶשׁ
"Command the children of Israel, that they put out of the camp every leper, and every one that hath an issue, and whosoever is defiled by the dead."

A Camp Defined by Whose Presence It Held

The very next verse explains why this commandment exists at all: "that they defile not their camps, in the midst whereof I dwell" (Numbers 5:3). The exclusion was never about disgust toward the people involved — it was about the unparalleled claim that the living God had made His dwelling in the middle of an ordinary camp of tents. Wherever that presence was, the most rigorous standards applied, and those carrying the most serious forms of impurity were temporarily moved beyond the boundary — not abandoned, but held at the edge of a community defined entirely by who was dwelling at its center.

The Four Lepers at the Gate: Excluded People Carry the News First

וַיֹּאמְרוּ אִישׁ אֶל רֵעֵהוּ לֹא כֵן אֲנַחְנוּ עֹשִׂים הַיּוֹם הַזֶּה יוֹם בְּשֹׂרָה הוּא
"Then they said one to another, We do not well: this day is a day of good tidings, and we hold our peace...let us go and tell the king's household."
2 Kings 7:9

During the siege of Samaria, when the city was starving, four men with leprosy sat outside the gate — placed there, in keeping with this very commandment, beyond the boundary of the besieged camp. With nothing left to lose, they walked to the abandoned Syrian camp and found it empty: the LORD had caused the enemy to flee in panic, leaving everything behind. "This day is a day of good tidings," they said to one another, "and we hold our peace?...let us go and tell the king's household" (2 Kings 7:9). The very commandment that had placed them outside the gate positioned them to be the first to discover, and the first to carry, the news that delivered the city that had excluded them.

Hebrews: The God Who Went Outside the Gate Himself

The author of Hebrews takes this commandment's exact geography — outside the camp, beyond the boundary where the impure were placed — and applies it to the crucifixion itself: "Jesus also, that he might sanctify the people with his own blood, suffered without the gate. Let us go forth therefore unto him without the camp, bearing his reproach" (Hebrews 13:12-13). The place this commandment marked as the location of exclusion became, in that telling, the very place where the One at the center of the true camp chose to stand — meeting the excluded exactly where this law had always positioned them.

Key Figures

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The Four Lepers at Samaria's Gate — Outsiders Who Brought Deliverance
Placed beyond the camp by this very commandment, they were the first to find the enemy gone and the first to carry news that saved the city that had excluded them.
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Jesus — Standing Where This Law Always Pointed
Hebrews places His suffering precisely "without the gate," in the location this commandment marks as the place of exclusion — meeting those it described exactly where they had always been placed.

Study Questions

For reflection and group study
The very next verse grounds this commandment entirely in God's presence dwelling in the camp's center — not in disgust toward those excluded. What difference does that reasoning make to how the law should be understood?
See Num 5:2–3; Lev 26:11–12
The four lepers were outside the gate because of this very commandment — and that position let them discover the enemy's flight first and become the bearers of the city's deliverance. What does their story suggest about how exclusion and purpose can occupy the same place at once?
See 2 Kgs 7:3–10; 1 Cor 1:27–28
Hebrews places Jesus' suffering precisely 'without the gate' — the exact location this commandment marks as the place of exclusion. What does it mean that the New Testament locates its central event in the very place this Torah law identifies?
See Heb 13:12–13; Lev 24:14; Num 5:2
This commandment required moving people to the edge of the community for a time, but never abandoning them outside it permanently — the metzora ritual (Lev 14) describes their structured return. What does pairing temporary exclusion with a guaranteed pathway back reveal about the Torah's larger purpose?
See Num 5:2–4; Lev 14:1–9
The four lepers debated whether to keep good news to themselves once they had found it. What does their decision to go and tell, despite their own status, suggest about the responsibility that can come with being the first to discover something life-changing?
See 2 Kgs 7:9; Matt 28:7–8

Read this commandment in the original Hebrew.

Open Numbers 5:2 in Torah Reader