2 used to refer to all the people or things in a group apart from the one you have already mentioned or the one that is already known about 其余的,另外的
THE REST
其余的
你还有别的什么问题吗?
4 used to refer to a different person or thing from the one you have already mentioned or the one that is already known about 别的,其他的
DIFFERENT
不同的