Arbitrator-initiated motions, not specific to a current open request
Dispute resolution requests (WP:DRR) provides a central compilation of and an easy-access overview for Wikipedia:Dispute resolution (WP:DR), and details the various different methods used at each of the Wikipedia dispute resolution pages.
Remember - All content and conduct issues should be discussed at either the article or user talk pages before requesting dispute resolution.
Place to file an investigation to find out whether two or more Wikipedia accounts are being abusively operated by the same person.
Noticeboard for reporting users who are actively edit warring and/or have violated the three-revert rule.
Request assistance from administrators and experienced users on the English Wikipedia regarding recent or ongoing misconduct by a fellow user.
Arbitration and Arbitration Enforcement
Apply to the Arbitration Committee for an examination and binding decision regarding a long standing issue of mis-conduct after all other avenues of dispute resolution have been exhausted. Or request enforcement against a user who you feel is acting in breach of the remedies described in a closed arbitration case.