防 means to prevent, to defend and is a JLPT N2 kanji. It has 7 strokes and uses the mound / hill radical (⻖).
Stroke order · 7 strokes
On'yomi (音読み)
ボウ
Kun'yomi (訓読み)
ふせ(ぐ)
Radical
⻖ · mound / hill
Strokes
7
How to remember 防
Standing guard blocking a direction (方) at a mound (⻖) — to block. 予防 (prevention), 防災 (disaster preparedness) — essential words in an earthquake-prone country.