Unlike most Jobs in FF14, the Samurai isn’t accessible at the outset. … Once you reach level 50, however, the Samurai becomes available in Ul’Dah The Steps of Nald. Just accept the quest The Way of the Samurai. Finishing The Way of the Samurai will unlock the Samurai in FF14.
Relative peace prevailed during the roughly 250 years of the Edo Period. As a result, the importance of martial skills declined, and many samurai became bureaucrats, teachers or artists. Japan’s feudal era eventually came to an end in 1868, and the samurai class was abolished a few years afterwards.