crime against humanity
Legal and formal term for serious international crimes such as genocide, enslavement, or systematic persecution.
The International Criminal Court was established to try crimes against humanity.
戦争犯罪 refers specifically to war crimes committed during armed conflict, while 人道犯罪 covers broader systematic attacks against civilians, even in peacetime.
Compound of 人道 (じんどう, 'humanity') and 犯罪 (はんざい, 'crime'), likely a calque from English 'crime against humanity'.