always

ancient times, a very long time ago

once (in the indeterminate past)

the past, old times / ancient

olden days; former

samurai / wait upon, serve

(historical) a warrior class in medieval and pre-modern Japan; samurai / a servant / a retainer / Short for 侍所 (samurai-dokoro): the Board of Retainers in the Kamakura and Muromachi periods.

a servant / a retainer / a warrior; particularly, a samurai / Synonym of 下侍 (shimosaburai): / Short for 侍所 (saburai-dokoro): a samurai guardhouse in the Heian period

to wait for a chance / to serve by one's side

to serve by one's side / (copula) to be