'Someone' in the Bible

because if anyone is a hearer of the message and not a doer, this one is like someone staring at {his own face} in a mirror,

For if someone enters into your assembly in fine clothing with a gold ring on his finger, and a poor person in filthy clothing also enters,

What [is] the benefit, my brothers, if someone says [that he] has faith but does not have works? That faith [is] not able to save him, [is it]?

But someone will say, "You have faith and I have works." Show me your faith apart from your works, and I will show you my faith by my works.

My brothers, if anyone among you should wander away from the truth and someone turns him back,