遭難者を救助した

N1 遭難 sounan disaster, shipwreck, accident N3 者 mono person, someone, individual N3 救助 kyuujo rescue, relief, aid

N1 遭 sou / a.u, a.waseru encounter, meet, party N3 難 nan / kata.i, -gata.i, muzuka.shii, muzuka.shii, mutsuka.shii, -niku.i difficult, impossible, trouble N4 者 sha / mono someone, person, personne N1 救 kyuu / suku.u salvation, save, help N3 助 jo / tasu.keru, tasu.karu, su.keru, suke help, rescue, assist

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action