Read Exodus 33:11 Using Other Translations
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.
Thus the LORD used to speak to Moses face to face, as a man speaks to his friend. When Moses turned again into the camp, his assistant Joshua the son of Nun, a young man, would not depart from the tent.
Inside the Tent of Meeting, the LORD would speak to Moses face to face, as one speaks to a friend. Afterward Moses would return to the camp, but the young man who assisted him, Joshua son of Nun, would remain behind in the Tent of Meeting.