Caring for the spiritual needs of several million people was an enormous task, and the priests were relatively few in number. So provision was made for them to be assisted by other members of the tribe of Levi.
यहोवाने मोशेला सांगितले: “लेवी लोकांना अहरोन व त्याचे मुलगे ह्‍यांच्या हवाली कर; इस्राएल लोकांच्या तर्फे ते अहरोनाला पूर्णपणे देण्यात आले आहेत. ” — गणना ३: ९, ३९.