במדבר, פרק י״ח, פסוק כ״ג

The Tribe of Levi holds a unique position within the nation, balancing an absolute duty of spiritual service with a heavy burden of responsibility and the complete surrender of material land ownership. The obligation to serve rests upon the tribe as a single, unified body, while simultaneously applying to the individual members and the specific groups whose turn it is to work [נתינה לגר, העמק דבר]. This role is fiercely exclusive; even the Priests are forbidden from performing the duties assigned to the Levites [מלבי״ם, צפנת פענח]. Furthermore, this service is an absolute mandate that binds the Levites even against their will [הכתב והקבלה]. It is a misconception that their work is merely an exchange for receiving tithes. They are fully obligated to serve during Sabbatical and Jubilee years when no agricultural tithes are produced, and they must continue their duties even if the Israelites fail to pay them their dues [פענח רזא, מלבי״ם, רש״ר הירש]. On a certain level, this duty to serve the Priests continues to exist even in the absence of a standing Temple [פענח רזא].

This elevated role carries intense spiritual danger and accountability. The primary approach among commentators is that the Levites bear the iniquity of the Israelites. Because they receive tithes, the Levites accept the heavy responsibility of guarding the Tabernacle, warning outsiders, and preventing them from unlawfully approaching out of ignorance or carelessness. If the Levites fail in this protective duty, the blame falls squarely upon them [רש״י, שפתי חכמים, מזרחי, גור אריה, העמק דבר]. Conversely, some explain that the Levites bear their own iniquity. They are personally accountable for any failure or mistake during their service, absorbing the punishment themselves so the rest of the nation remains untainted [רלב״ג, אבן עזרא, ביאור שטיינזלץ]. To enforce this, a special court of Levites operated to punish those who neglected their duties, such as sleeping on their watch or failing lineage requirements [צפנת פענח]. A third perspective suggests that the Israelites themselves bear the guilt if they intentionally perform unauthorized service in the sanctuary [שד״ל].

The right of the Levites to receive tithes is established as an eternal law. Even when historical circumstances shift, such as during the Second Temple period when the land was not fully divided and Levites owned their own agricultural fields, the commandment to give them tithes remains an independent, permanent obligation [העמק דבר].

However, just like the Priests, the Levites are strictly warned against taking any portion in the division of the land [ביאור יש״ר, ביאור שטיינזלץ]. The tithe serves as the sole replacement for a physical inheritance [רלב״ג, אבן עזרא]. Despite their vital public leadership, the Levites are granted no material advantages. By surrendering their right to national land, they are placed in a position of constant dependence on the goodwill of the people, sharing a vulnerable social status akin to the stranger, the orphan, and the widow [רש״ר הירש].