if by any means I may provoke to emulation them which are my flesh, and might save some of them.
In the hope of making my fellow Jews jealous [in order to stir them up to imitate, copy, and appropriate], and thus managing to save some of them.
if by any means I may provoke to jealousy them that are my flesh, and may save some of them.
in the hope that somehow I might make my own people jealous and save some of them.
in such a way that I might provoke to rivalry those who are my own flesh, and so that I may save some of them.
If, by any means, I may provoke to emulation them who are my flesh, and may save some of them.