He met him in the mount of God Almost as soon as he had set out. For while Moses had met with many delays, through his family, Aaron had made great haste. And, no doubt, his coming was a great encouragement to Moses. Moses told Aaron all Those that are fellow- servants to God, in the same work, should use a mutual freedom, and endeavour rightly and fully to understand one another.
Related Commentaries of Exodus 4:27
Exodus 4:27-28
27 And the LORD said to Aaron, Go into the wilderness to meet Moses. And he went, and met him in the mount of God, and kissed him.
28 And Moses told Aaron all the words of the LORD who had sent him, and all the signs which he had commanded him.