This is the 4052nd most frequent Arabic word.
جيرانها
"جيرانها" means "her neighbors."
Here, 'جيرانها' (her neighbors) is the object of the verb 'زارت' (visited), identifying the ones whom the girl visited.
زارت الطفلة جيرانها لتقديم الحلوى.
The girl visited her neighbors to deliver sweets.
In this sentence, 'جيرانها' acts as the subject performing the action of helping ('ساعدوها').
جيرانها ساعدوها في تنظيف الحديقة.
Her neighbors helped her in cleaning the garden.
'جيرانها' is used in a possessive phrase showing whose kindness ('لطف') was being spoken about.