業 means occupation, business, work and is a JLPT N4 kanji. It has 13 strokes and uses the tree radical (木).
Stroke order · 13 strokes
On'yomi (音読み)
ギョウ、ゴウ
Kun'yomi (訓読み)
わざ
Radical
木 · tree
Strokes
13
How to remember 業
A picture of a complicated wooden rack for hanging bells — making such a thing is genuinely professional work. Heavier in meaning than 仕事: 卒業 (graduating), 工業 (industry).