Evening Night shift.
Couldn't sleep, started digging. Was looking at something completely unrelated to this, had this pic saved then it hit me.
The "Chair" serves the Master.
Who is the Master?
P = C.
Q
>Sporting a wristband with the words 'I Am The Master', and an I AM badge from the poem Invictus, the Prince, a veteran of the war against the Taliban,
>'I Am The Master'
https://www.ibtimes.co.uk/prince-harry-meets-president-obama-first-lady-michelle-obama-promote-invictus-games-2016-1526185
http://archive.is/WOrAX
Also, "Chair" in quotes, Harry is sat down.
Who is the Master? - 'I Am The Master'
P = C Maybe Charles, Master is used for sons.