According to the Red Book of Westmarch,
In Middle-earth, ***** was a
Angry Hill-troll
Sarthos, ein Hügeltroll - kewl, das passt irgendwie

So, hier mein Ergebnis:

According to the Red Book of Westmarch,
In Middle-earth, ... was a
Illiterate Druadan

Elven Name:
The root name suitable for feminine and masculine is:
Enromen
Another masculine version is:
Enromenion

Hobbit lad name: Rudigar Grubb from Needlehole

Dwarven Name: Ori Brickboot

Orkish Name: Skaialûk the Despoiler