to protect something that you value and prevent it from being taken away
دفاع کردن, محافظت کردن, حفاظت کردن, پاسداری کردن, حمایت کردن
The organization works to defend human rights wherever they are threatened.
Freedom must always be defended.
The ruling class will always defend its own interests.
People must be vigilant in defending civil liberties regardless of external threats.