Reporting another player that is using an offensive or inappropriate BattleTag
How to report a player who is threatening with harming another person or a place
How to report a player for cheating in Overwatch
How to report another player
How to report inappropriate behaviour in Overwatch
How to block communication from another player in the Battle.net Desktop App.
How to block communication from another player in Overwatch.
How to report harassment taking place within Battle.net chat (mobile or desktop)
Information on how to report forum posts