Reporting another player that is using an offensive or inappropriate BattleTag
Information about how to purchase a gift to a player from another region.
Reporting your own behavior won't prevent action.
How to report harassment taking place within Blizzard chat.
How to report another player
How to report a bug in Diablo III
How to move a game account to a different Blizzard account
How to block communication from another player in Diablo III.
How to install a Blizzard game you already own on a different computer
How to report harassment in Blizzard Groups