Before the Lord - i. e. He looks favorably upon it. (Compare Ezra 8:21-22.)
SDA Bible Commentary (limited)
Volume 1-7
6. Before the Lord. That is, your trip is under God’s observation and favor. The word for “Lord” used here is Yahweh (Jehovah). The Levite was practicing the worship of the true God under forms of worship forbidden in the Mosaic law.