toxic workplace

colleague colleagues relationship relationships stress team teamwork toxic work working workplace abuse abusive aggressive arrogance arrogant attack back backbite backstab backstabber backstabbing bad badmouth behavior besmirch betray betrayal bully bullying criticize cross deceit deceitful destroy destructive disparage double employee enemies enemy false friend friends insult insulting knife knives libel malice malicious malign management office people reputation slander smear smirch trust workforce poor communication attitude drama dysfunction company