to do one's duty as a younger brother

strokes 10
strokes after radical 7
恺悌 愷悌 kai3 ti4
happy and easygoing; friendly

悌睦 悌睦 ti4 mu4
to live at peace as brothers

悌友 悌友 ti4 you3
to show brotherly love for friends

孝悌 孝悌 xiao4 ti4
filial piety and fraternal duty

孝悌忠信 孝悌忠信 xiao4 ti4 zhong1 xin4
Confucian moral injunctions of fidelity; piety to one's parents, respect to one's older brother, loyalty to one's monarch, faith to one's male friends

友悌 友悌 you3 ti4
brotherly bond