This is the 8705th most frequent Japanese word.
星子
"星子" (Hoshiko) means "star child" in English.
Here, '星子' is used as a given name, which can mean 'star child'.
星子は夜空で輝いている。
Hoshiko is shining in the night sky.
In this sentence, '星子' is treated as a proper noun, likely a surname or personal name, added with the honorific 'さん' for respect.
星子さん、こちらが資料です。
Ms. Hoshiko, here are the documents.
Here, '星子' takes on a figurative meaning, representing a metaphorical 'little star' and carrying a poetic nuance.