Thou = singular second person You = plural second person It uses them because there is an actual difference. In modern English, you cannot tell if "you" is re

Thou = singular second person You = plural second person It uses them because there is an actual difference. In modern English, you cannot tell if "you" is referring to one individual or a group without examining the surrounding context and adding your own judgement (a translator looking at the original text will have much better judgement).