矛 means spear and is a JLPT N1 kanji. It has 5 strokes and uses the spear radical (矛).
Stroke order · 5 strokes
On'yomi (音読み)
ム、ボウ
Kun'yomi (訓読み)
ほこ
Radical
矛 · spear
Strokes
5
How to remember 矛
A spear with a long handle. 矛盾 (contradiction) comes from the classic Chinese story of a merchant selling a spear that pierces anything against a shield that blocks everything.