If you dress up and act as a pirate then u are rping.
If you dress up and act as a pirate and then the pirate acts like you, you are rping! Double rp inception!!
If you dress up and act as a pirate and then the pirate acts like a kawaii school girl which then the school girl acts like you then u are double inception rp master 2 cool for skool.
And if you dress up and act as a pirate and then the pirate takes off cloths and acts normal then obviously it is pirate in disguise aka ninja RP!!
And if you dress up and act as a pirate and then the pirate worships Admin lord gods and is in Admin cult where prayers are called sanction reports then it is RP!