I want to add a GUI menu to a game I am making which is for my group Central Mall (of Roblox) but I want to add a GUI menu or something to go along with the group I can use to tell ranks of people in the group. - @foxingaround9
As BlackOrange said, please reasearch and try before coming here.
Here's a link to help you though. http://wiki.roblox.com/index.php?title=API:Class/Player/GetRankInGroup