14 strokes
駆使
kushi
free use; making full use of
駆ける
kakeru
to run; to gallop
先駆
senku
pioneer; forerunner
Study kanji on LenGaki

Get the Android app
The app adds offline study, home-screen widgets, stroke-order tracing, speaking practice with pronunciation scoring, and an AI tutor that answers questions in context — none of which fits in a browser tab.