Translations
For many in the assembly had not purified themselves; therefore the Levites took charge of slaughtering the Passover lamb for everyone who was ceremonially unclean, setting them apart for Yahweh.
For many in the assembly had not consecrated themselves; therefore the Leviyim were responsible for slaughtering the Pesach for all who were unclean, to consecrate them to YHWH.
For there were many in the congregation that were not sanctified: therefore the Levites had the charge of the killing of the passovers for every one that was not clean, to sanctify them unto the LORD.
Since there were many in the assembly who had not consecrated themselves, the Levites were in charge of slaughtering the Passover lambs for every unclean person to consecrate the lambs to the LORD.

