义务

Traditional form:

義務

Pinyin (reading):

yìwù

Definitions:

• duty; obligation (CL:項／项 (xiàng))
• volunteer (work etc)

Characters:

• 义 - right conduct, propriety; justice
• 务 - affairs, business; should; must

Traditional characters:

• 義 - right conduct, propriety; justice
• 務 - affairs, business; should; must