We are talking about a small Topic called "Swordsmen" when there is EVIDENCE in the One Piece Manga. I dont even need to be knowledgeable to know that Roger is a Swordsman when we have the Proof in the Manga + Fan colouring/drawing on a expo on which Shanks/Roger/Law were on and Oda HIMSELF commented under it
"Swordsmen alongside some other stuff"
Those who can read have the advantge