fret hand
LEXIS
The hand that in playing holds the neck of the instrument and grabs the strings. For right handers, this is usually the left hand, in the case of left-handedness possibly the right hand.
If in score the fingering is indicated, the fingers of the fret hand are represented with their Arabic or Latin fingering numerals.
Videos
Allen Mathews: Sergio Assad's Left Hand Independence Workout for Classical Guitar
Best position of the fret hand according to Fernando Sor