Ask him to explain these texts, after he reaches the conclusion that they are not literal, in that these humans are not god himself. Ask him about Acts 12:21-23. Tell him that Catholics do not believe the pope is literally a god and if the pope himself believed he was, God – why has not God struck him down?
Partakers of divind nature II Peter 1
Psalm 82 King James Version (KJV)
82 God standeth in the congregation of the mighty; he judgeth among the gods.
2 How long will ye judge unjustly, and accept the persons of the wicked? Selah.
3 Defend the poor and fatherless: do justice to the afflicted and needy.
4 Deliver the poor and needy: rid them out of the hand of the wicked.
5 They know not, neither will they understand; they walk on in darkness: all the foundations of the earth are out of course.
6 I have said, Ye are gods; and all of you are children of the most High.
7 But ye shall die like men, and fall like one of the princes.
8 Arise, O God, judge the earth: for thou shalt inherit all nations.
Exodus 7:1 The LORD answered Moses, "See, I have made you like God to Pharaoh, and Aaron your brother will be your prophet.
John 10:30 “ye are gods”