How to make a character that pepole spawn with depending on ranks?

I need help with making a demon slayer game so like the twelve kizuki have special avatars hairs and everything and im tryna make everyone look normal and give them like special avatar depending on the ranks

Ranks depend on ranks in what. Ranks in a group require different code than lets say a ranking system specifically for a game. Either way apart from this system I would say just have an if that checks if the player has the rank and then assign them a team color based on their rank. Each team would have a different spawn. Also next time please add your code you need help with as this is not a request site and we would need more information to help out.