A King (n.) is taboo because everyone, perhaps, would like to be a king.
A King (n.) cures what he causes: contact with him is the remedy for the dangers of contact with him.
A King (n.) must observe more taboos the more powerful he is — until on the day he ascends the throne he is positively suffocated by them.
A King (n.) was at first perhaps a foreigner who, after a brief reign, was sacrificed with solemn festivities as representative of the deity.
The King (n.) is no subject: asked by Louis XV to make a joke with the king as its sujet, the courtier replied "le roi n'est pas sujet".
A King (n.) and queen, in dreams and fairy tales, always mean the parents — as the small child first overrates them.