You speak above your rank.

What is your parentage ?" "My father was a clergyman, sir," Jack said, "but being dispossessed of his living in the troubles, could not make his case known on the return of King Charles; but he supported himself by teaching, and gave me such education as he could, in hope that I too should enter the ministry.
But my thoughts did not incline that way; and when he died, and also my mother, I thought of going to sea, when it happened that I was pressed for a soldier.

And seeing that it was so, I made up my mind to make the best of things." "And you have done so, young man; and right glad am I that your education and parentage are such that I can reward you as I should wish.
I give you a discharge now from your regiment and appoint you ensign.
You will at present form one of my staff; and glad am I to have so dashing and able a young officer ready to hand for any perilous service I may require." On the 20th of June the fleet sailed up the Tagus.
Jack had not returned on board his ship.
"Better stop here," the earl said.

"If you went back, and they heard you were promoted, likely enough some of them might toss you overboard on a dark night.

We will set the tailors at once to work to rig you up an undress uniform.