養 (Kanji for cultivate, rear)

Onyomi

YOU

If you rear sheep good enough, you can even teach them to YODEL.

やしな*う

to foster, raise, breed, cultivate. usually about animals. Or orphans. (seriously!)
★★★☆☆

栄養(えいよう)

nutrition ★★☆☆☆
栄 (glory) + 養 (cultivate, rear) = 栄養 (nutrition)

教養(きょうよう)

refinement ★☆☆☆☆
教 (teach) + 養 (cultivate, rear) = 教養 (refinement)

culture and refinement - think of My Fair Lady.

養子(ようし)

adopted child ☆☆☆☆☆ FR
養 (cultivate, rear) + 子 (child) = 養子 (adopted child)

an adopted child. See, and you thought I was just being a dick. Don't blame the messenger, people!