A person who plays the guitar.
He is a guitarist but I don't think that he is that famous guitarist.
Guitarist = gitarist
No. The word guitarist's is a possessive noun (of or belonging to a guitarist). There is no adverb form.
yes guitarist is
Ray Toro is the lead guitarist, and Frank Iero is the other guitarist.
Hedley's guitarist is Dave Rosin.
guitarist
Billy Butler - guitarist - was born in 1925.
Rise Against's current guitarist is Zach Blair, the guitarist before him was Chris Chasse.
Dan Lead Guitarist, Cooper Guitarist, Jameson Base Guitarist, John Drummer
Former guitarist.
The lead guitarist for mettalica is Kirk Hammet