要
need, main point, essence, pivot, key to
On'yomi: ヨウ (you)
Kun'yomi: い.る (i.ru)、 かなめ (kaname)
Stroke order
介
jammed in, shellfish, mediate, concern oneself with
On'yomi: カイ (kai)
Stroke order
護
safeguard, protect
On'yomi: ゴ (go)
Kun'yomi: まも.る (mamo.ru)
Stroke order