鉄道 てつどう公安 こうあん職員 しょくいんであれば
tetsudōkōanshokuindeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 鉄道公安職員

1. If/when one is a railway public safety officer; If/when you are a railway public safety officer

Ba Conditional