ESV: He shall speak for you to the people, and he shall be your mouth, and you shall be as God to him.
NIV: He will speak to the people for you, and it will be as if he were your mouth and as if you were God to him.
NASB: He shall speak for you to the people; and he will be as a mouth for you and you will be as God to him.
CSB: He will speak to the people for you. He will serve as a mouth for you, and you will serve as God to him.
NLT: Aaron will be your spokesman to the people. He will be your mouthpiece, and you will stand in the place of God for him, telling him what to say.
KJV: And he shall be thy spokesman unto the people: and he shall be, even he shall be to thee instead of a mouth, and thou shalt be to him instead of God.
NKJV: So he shall be your spokesman to the people. And he himself shall be as a mouth for you, and you shall be to him as God.