Emm iam not with you ?

Your the admin so that makes you the God user if you have added members & made them Super Users you can edit there passwords from your admin panel selecting "Edit Admins" you can change your own details (God) there aswell.

Is that what your asking ?

Note ! I always post this lol, Dont use spaces between words, if you must use spaces between words, use the underscore symbol. ie : my_username