
Questions & Answers about kounyuusha ga haraimashita.
It is read:
こうにゅうしゃ が はらいました。
- 購入者 = こうにゅうしゃ
- が = が
- 払いました = はらいました
A natural Romanization would be Kōnyūsha ga haraimashita.
が marks the grammatical subject of the sentence.
So in 購入者が払いました, 購入者 is the one who performed the action of paying.
A common way to think about it is:
- 購入者が = the buyer is the one who...
- 払いました = paid
In many contexts, が can also add a sense of identifying or emphasizing the subject.