When the host goeth forth against thine enemies, then keep thee from every wicked thing.
When you go forth against your enemies and are in camp, you shall keep yourselves from every evil thing.
When thou goest forth in camp against thine enemies, then thou shalt keep thee from every evil thing.
When you are camped in battle against your enemies, guard yourself from every possible evil.
When you have gone out to war against your enemies, you shall keep yourself from everything that is evil.