Douglas Harper's Etymology Dictionary
Wiktionary
unbefriended
a. Not befriended; lacking friends.
Usage examples of "unbefriended".
Thus to die alone, unattended, Unbewept and unbefriended, On that bloody battle-plain.
I thought would happen, for it stands to reason a spanking beauty like she is, which is allowed by them as should have known better to go jauntering round the country unbefriended, is bound to find herself in the briars.
I was a poor, uneducated, unbefriended, mountain girl, raised from nothingness by him.