'Person's' in the Bible

The one who receives a prophet in the name of a prophet will receive a prophet's reward, and the one who receives a righteous person in the name of a righteous person will receive a righteous person's reward.

but we have renounced shameful hidden things, not behaving with craftiness or adulterating the word of God, but with the open proclamation of the truth commending ourselves to every person's conscience before God.

If anyone thinks he is religious, [although he] does not bridle his tongue but deceives his heart, this person's religion [is] worthless.

he should know that the one who turns a sinner back from the error of his way will save that person's soul from death, and will cover over a great number of sins.