Acts 26:16-19

16 ‘But rise and stand on your feet; for I have appeared to you for this purpose , to make you a minister (under-oarsman; subordinate) and a witness (Gk. martura) both of the things which you have seen and of the things which I will yet reveal to you .
17 ‘I will deliver you from the Jewish people, as well as from the Gentiles, to whom I now send you ,

18 ‘to open their eyes, in order to turn them from darkness to light, and from the power of Satan to God, that they may receive forgiveness of sins and an inheritance among those who are sanctified by faith in Me.’

19 “Therefore, King Agrippa, I was not disobedient to the heavenly vision,

Acts 9:15-16

15 But the Lord said to him, “Go, for he is a chosen vessel of Mine to bear My name before Gentiles, kings, and the children of Israel .

16 “For I will show him how many things he must suffer for My name’s sake.”

(NKJ)