It is possible to change the names of groups of user rights on your own wiki. Admin user-rights are needed for this.
If you are tired of calling bureaucrats yust bureaucrats or chat moderators yust chat moderators, this is your chance to change it.
Please do notice that you should revert your edit(s) at this wiki once you have played around with it.
You will need to adjust it using the following files:
For chat moderator:
Adjusting is as easy as inserting the name and clicking save page.