Usage patterns
義務を果たすto fulfill one's duty
Citizens must fulfill their duty to pay taxes.
義務を負うto bear a duty/obligation
The company bears an obligation to protect its employees' safety.
義務があるto have a duty/obligation
Parents have an obligation to raise their children.
義務を怠るto neglect one's duty
He neglected his duty to report.
Expressions
義務を課すimpose an obligation; place a duty; obligate