守 means to protect; to obey and is a JLPT N3 kanji. It has 6 strokes and uses the roof radical (宀).
Stroke order · 6 strokes
On'yomi (音読み)
シュ、ス
Kun'yomi (訓読み)
まも(る)、もり、
Radical
宀 · roof
Strokes
6
How to remember 守
Standing guard under a roof (宀), measuring stick (寸) in hand — protecting the house. 守る meaning to 'obey' a rule is the same as 'guarding' it — the Japanese take this seriously.