portrait drawing; portrait painter
Refers both to the act of drawing a likeness and to a person who draws portraits. Often used in contexts like street artists or caricature sketches.
I had my portrait drawn at a tourist spot.
He works as a professional portrait artist.
Compound of 似顔 (にがお, 'likeness of a face') + 書き (かき, 'drawing/writing', the continuative form of 書く). The exact historical derivation is uncertain, but the word follows a standard noun-formation pattern.