Ex 32.17 And when Joshua heard the noise of the people as they shouted, he said unto Moses, There is a noise of war in the camp.
Ex 33.11 And the LORD spake unto Moses face to face, as a man speaketh unto his friend. And he turned again into the camp: but his servant Joshua, the son of Nun, a young man, departed not out of the tabernacle.
Ex 24.2 And Moses alone shall come near the LORD: but they shall not come nigh; neither shall the people go up with him.