Nonintervention; the stance or policy of not intervening or getting involved, often used in political, diplomatic, or interpersonal contexts.
政府は他国の内政に対して不介入の立場を示した。
The government expressed a stance of nonintervention regarding the domestic affairs of the other country.
上司はその揉め事について不介入を貫き、部下同士で解決させた。
The boss maintained noninvolvement in the dispute and had the subordinates resolve it themselves.
親として過干渉にならないよう、不介入の姿勢も必要だと考えている。
As a parent, I believe it's also necessary to adopt a noninterventionist attitude so as not to be overbearing.