Gothmog et la Bouche de Sauron

[Lomelinde]

Cela dépend.

Lorsque l'on lit ce que Tolkien déclare des Maiar qui prirent forme d'Orcs (MR:418 ) :

This last point was not well understood in the Elder Days. For Morgoth had many servants, the oldest and most potent of whom were immortal, belonging indeed in their beginning to the Maiar; and these evil spirits like their Master could take on visible forms. Those whose business it was to direct the Orcs often took Orkish shapes, though they were greater and more terrible.(note 4) Thus it was that the histories speak of Great Orcs or Orc-captains who were not slain, and who reappeared in battle through years far longer than the span of the lives of Men.* (note 5)

[...]

* [footnote to the text] Boldog, for instance, is a name that occurs many times in the tales of the War. But it is possible that Boldog was not a personal name, and either a title, or else the name of a kind of creature: the Orc-formed Maiar, only less formidable than the Balrogs.

[...]
Notes

4 Cf. text IX, p. 414: ‘But always among them [Orcs] (as special servants and spies of Melkor, and as leaders) there must have been numerous corrupted minor spirits who assumed similar bodily shapes'; also text VIII, p. 410.

5 The footnote at this point, stating that ‘Boldog, for instance, is a name that occurs many times in the tales of the War’, and was perhaps not a personal name, is curious. Boldog appears several times in the Lay of Leithian as the name of the Orc-captain who led a raid into Doriath (references in the Index to The Lays of Beleriand); he reappears in the Quenta (IV.113), but is not mentioned thereafter. I do not know of any other reference to an Orc named Boldog.

En définitive, être Maia ne signifie pas forcément être puissant, et le fait qu'un Maia s'incarne sous forme d'Orc ne lui assure pas à coup sûr un statut forcément très élevé.

Donc à ta remarque ("Un Maia c'est quand même mieux qu'un roi déchu.") je répondrais : pas forcément.