en_tn_condensed/jhn/08/28.md

When you have lifted up

This refers to placing Jesus on the cross to kill him.

Son of Man

Jesus used the title "Son of Man" to refer to himself.

I AM

Possible meanings are 1) Jesus is identifying himself as Yahweh, who identified himself to Moses as "I AM," or 2) Jesus is saying, "I am the one I claim to be."

As the Father taught me, I speak these things

"I am only saying what my Father taught me to say." The word "Father" is an important title for God. (See: rc://en/ta/man/translate/guidelines-sonofgodprinciples)