Numbers 35:12 - Joseph Benson’s Commentary on the Old and New Testaments

From the avenger Hebrew, from the redeemer, or, from the next kinsman; to whom, by the law, belonged the right of redemption of the lands of, and vindication of the injury done to, the person deceased. Die not Be not killed by the avenger meeting him in some other place. Before the congregation Before the judges or elders who were appointed in every city for the decision of criminal causes, who were to examine, and that publicly before the people, whether the murder was wilful or casual.