joueur de guitare or guitariste
A guitar string is "une corde de guitare" in French.
j'ai une guitare
I believe it is 'guitare rouge'.
If by saying "not a guitar player" you mean someone who plays with a controller, then I would say generally people who play with the guitars are a lot better.
Monsieur, avez-vous votre guitare?
il joue de la guitare
J'aime jouer de la guitare.
The best player is "le meilleur joueur" in French.
"vous aimez jouer de la guitare"
tu es le / la pire tu es le pire joueur de guitare du quartier > you are the worst guitar player around the block.
J'apprends encore jouer la guitare
i would have to say randy rhoads is deff 1 of the best guitar players AROUND!!!!!!