'Own' in the Bible

each of you not just looking to his own things, but each of you also to the things of others.

So then, my beloved, even as you have always obeyed, not only in my presence, but now much more in my absence, work out your own salvation with fear and trembling.

For they all seek their own, not the things of Jesus Christ.

and be found in him, not having a righteousness of my own, that which is of the law, but that which is through faith in Christ, the righteousness which is from God by faith;