''Is it not they who blaspheme the honourable name which was invoked over you?'' According to James in the statement above, they refers to the

According to James in the statement above, "they" refers to those who blaspheme the honourable name which was invoked over you. James is addressing a group of believers, and he is warning them against showing partiality towards the rich and discriminating against the poor. He argues that by doing so, they are not following the royal law of loving their neighbour as themselves, and they are committing sin. In the context of this verse, James is suggesting that those who speak against the name of God are guilty of violating this law and therefore committing sin. Therefore, "they" in this statement refers to those who speak against God's name and commit blasphemy.