子が

the girl; the young woman (as the subject)

→ 子
phrase Common #5,391
the girl; the young woman (as the subject) Here, 子 refers to a girl or young woman, rather than a child.
JA: 白い服を着てる子が僕の婚約者だよ。
EN: The girl wearing white is my fiancée.

白い洋服を着ている子が私のフィアンセだ。

The person in white is my fiancé.

白い服を着てる子が僕の婚約者だよ。

The girl wearing white is my fiancée.

トムはメアリーみたいな子が、苦手なんだよ。

Tom can't handle girls like Mary.

どんな子がタイプ?

What kind of person are you into?