This is the 8151st most frequent Russian word.
линдси
"Линдси" is a transliteration of the English name "Lindsey" or "Lindsay."
Here, 'Линдси' is a proper noun used as a subject in the sentence, indicating a person's name.
Линдси любит гулять в парке.
Lindsey loves to walk in the park.
Here, 'Линдси' is used as a proper noun referring to the person the narrator talked to, functioning as an object in the sentence.
Я поговорил с Линдси об этом.
I talked to Lindsey about this.
In this sentence, 'Линдси' is used possessively to indicate that the friends belong to Lindsey, showing a relationship.