だいじんは

the minister (as the topic of the sentence)

→ 大臣
phrase Rare #39,213
the minister (as the topic of the sentence) だいじん means “minister,” and は marks it as the topic. The usual spelling is 大臣は.
JA: だいじんは来週メキシコを訪問する予定です。
EN: The minister is scheduled to visit Mexico next week.