Why is the washing at the laver necessary for priests?

The necessity of washing at the laver stems from the reality that, despite being consecrated priests, the human condition is influenced by the world. As priests walked on the dust of the earth and handled sacrifices, their hands and feet became dirty, symbolizing the spiritual contamination experienced by believers due to their ongoing interaction with the sinful world. The washing was imperative; failure to wash meant death, as stated in Exodus 30:21. This ritual highlighted the importance of holiness and the need for believers to regularly seek cleansing through the Word of God, which functions to wash away the impurities encountered in worldly living.