'One' in the Bible

He is the one who saved us and called us with a holy calling, not based on our works but on his own purpose and grace, granted to us in Christ Jesus before time began,

Because of this, in fact, I suffer as I do. But I am not ashamed, because I know the one in whom my faith is set and I am convinced that he is able to protect what has been entrusted to me until that day.

No one in military service gets entangled in matters of everyday life; otherwise he will not please the one who recruited him.

At my first defense no one appeared in my support; instead they all deserted me -- may they not be held accountable for it.