佐 - assistant, help

colonel; (navy) captain

aid; help; assistance; assistant; counselor; counsellor; adviser; advisor

major; lieutenant commander; wing commander

lieutenant colonel; commander (navy)

person subject to a conservatorship or curatorship

commander (JMSDF)

lieutenant-commander (JMSDF)

major (JGSDF)

lieutenant colonel (JGSDF)

Sado (former province located on Sado Island in present-day Niigata Prefecture)

chief of staff (esp. of US president)

chief of staff (of US president)