{A chosen vessel} (skeuos eklog(8873)). A vessel of choice or
selection. The genitive of quality is common in the Hebrew, as in
the vernacular _Koin(825f). Jesus chose Saul before Saul chose Jesus.
He felt of himself that he was an earthen vessel ( 2Co 4:7 )
unworthy of so great a treasure. It was a great message that
Ananias had to bear to Saul. He told it in his own way ( 9:17  22:14f. ) and in  26:16f.  Paul blends the message of Jesus to
Ananias with that to him as one. {Before the Gentiles} (en(9370)ion
t(936e) ethn(936e)). This was the chief element in the call of Saul. He
was to be an apostle to the Gentiles ( Eph 3:6-12 ).