“The answer is, who explains to him?”
Well, obviously the Holy Spirit explains it to him(not HS) but not to you.....but He(HS) does inspire you to listen to him(not HS)...and then inspires him(not HS) to explain it to you......and He(HS) then interprets his(not HS) explanation to you so that you don’t have to do any original critical thinking since that would cause you to question his(not HS) understanding of whatever was explained to him (not HS) by the Holy Spirit (HS).
Tradition is a whole lot like pornography. As Justice Potter Stewart opined (a loose translation), “I can’t define it but I know it when I see it”.
That's about the best explanation for the ridiculous notion that we must depend on someone else to explain God's Word to us that I've ever had the pleasure to read! Thanks for using the absurd to show how absurd it truly is!!