zuò zhǔ
to decide
to make decisions
to take responsibility (for deciding)
to be in charge
to give sb justice
dāng jiā zuò zhǔ
to be in charge in one's own house (idiom)
to be the master of one's own affairs
zì zuò zhǔ zhāng
to think for oneself and act accordingly (idiom); to act on one's own initiative