'One' in the Bible

if anyone is blameless, the husband of one wife, having children who believe, who are not accused of loose or unruly behavior.

One of them, a prophet of their own, said, "Cretans are always liars, evil beasts, and idle gluttons."

to speak evil of no one, not to be contentious, to be gentle, showing all humility toward all men.

For we were also once foolish, disobedient, deceived, serving various lusts and pleasures, living in malice and envy, hateful, and hating one another.

knowing that such a one is perverted, and sins, being self-condemned.