en_tn/act/25/25.md

I have brought him to you, especially to you, King Agrippa

"I have brought Paul to all of you, but especially to you, King Agrippa" (See: rc://en/ta/man/translate/figs-you)

so that I might have something to write

"so that I will have something to write" or "so that I will know what I should write"

the charges against him.

Possible meanings: 1) the accusations that the Jewish leaders have brought against him or 2) the charges under Roman law which apply to Paul's case.