en_tn/1co/01/20.md

Where is the wise person? Where is the scholar? Where is the debater of this world?

Paul emphasizes that truly wise people are nowhere to be found. AT: "Compared with the wisdom of the gospel, there are no wise people, nor scholars, nor debaters!" (See: rc://en/ta/man/translate/figs-rquestion)

the scholar

a person who is recognized as someone who has studied a great deal.

the debater

a person who argues about what he knows or who is skilled in such arguments.

Has not God turned the wisdom of the world into foolishness?

Paul used this question to emphasize what God has done to the wisdom of this world. AT: "God has indeed turned the wisdom of this world into foolishness." or "God was pleased to use a message that they thought was foolish" (UDB) (See: rc://en/ta/man/translate/figs-rquestion)

those who believe

Possible meanings are 1) "all who believe it" (UDB) or 2) "those who believe him."