I have my second years Hufflepuf student Crystal Evans, she is an urphan and is a little bit shy but loyal and friendly towards almost everyone. She could use an friend and it does not bother her if she is first or second years.
Also my first years Ravenclaw Jane Anderson, is a muggleborn and new to the magic world. She is very insecure about herself because she has a lot of experience yet with bullies. But when she feels ok, with someone she can be very loyal and good towards them. She is intelligent and studieus. If you want to know more, just ask!