猪 means wild boar and is a JLPT N1 kanji. It has 11 strokes and uses the beast (side form) radical (⺨).
Stroke order · 11 strokes
On'yomi (音読み)
チョ
Kun'yomi (訓読み)
い、いのしし
Radical
⺨ · beast (side form)
Strokes
11
How to remember 猪
The beast (⺨) that stubbornly charges straight ahead — inoshishi. 猪突猛進 describes charging ahead like a boar; whether praise or criticism depends on context!