Board Thread:Support Requests - Getting Started/@comment-34201470-20180425145932

Couple of days ago I started editing a wiki to fix grammatical errors, categories and add information. In the midst of my work, I saw that some categories or pages were completely unnecessary, but unfortunately I don't know how to delete them. So here is my question:

Is the admin the only one who is able to delete certain pages from a certain wiki?

and,

Is there a possibilty that a contributor to the wiki can delete certain pages, if there is, then how? 