Board Thread:General Discussion/@comment-6417519-20160203165803/@comment-1251315-20160203170626

If you are a sysop of the wiki, then you can block the user yourself. If you are not a sysop and there are no active sysops on the wiki (have you checked their last edit via Special:ListUsers?), you could try adopting the wiki, assuming that all sysops have not been active for 2 months or more.

Nobody here can action blocks, although you could try contacting the VSTF here and see if they will remove the spam and block the user. However, don't assume the user is being a vandal or troll, it could just be he is trying to help the wiki.