苦 means suffering; bitter and is a JLPT N3 kanji. It has 8 strokes and uses the grass / plants radical (艹).
Stroke order · 8 strokes
On'yomi (音読み)
ク
Kun'yomi (訓読み)
くる(しい)、、にが(い)
Radical
艹 · grass / plants
Strokes
8
How to remember 苦
Old (古) grass (艹) — the taste of chewing dried, bitter leaves is what suffering feels like. 苦い (bitter), 苦しい (painful) — like bitter gourd, and like life.