How to manage User rank?

[محروم.كوم]

I set a public User rank that will appear under their user name for certain of post. but how come for those people i want to make a custom rank, still show the public rank for example heres the link http://forums.tunedtech.ca/showthread.php?t=127 If you see Jdm_type post under his username there is two rank one is the custom one which is the super moderator and the other one is the newbie! how can only show the custom one for this? __DEFINE_LIKE_SHARE__