en_tn/act/07/52.md

Which of the prophets did your fathers not persecute?

Stephen asked this question to show them that they learned nothing from the errors of their forefathers. Alternate translation: "Your forefathers persecuted every prophet!" (See: rc://en/ta/man/translate/figs-rquestion)

Righteous One

This refers to the Christ, the Messiah.

you have now become the betrayers and murderers of him also

"you have also betrayed and murdered him"

murderers of him

"murderers of the Righteous One" or "murderers of the Christ"