"اغتياب" - Translation from Arabic to English

I didn't want to speak ill of a former knight, a former friend, but if Lancelot is in Camelot, that dagger isn't safe anywhere.
لمْ أشأ اغتياب صديق قديم ليلةَ أمس إنْ كان (لانسلوت) في "كاميلوت" فذلك الخنجر ليس آمناً في أيّ مكان