This is the 10050th most frequent Spanish word.
cargador
Charger.
In this sentence, 'cargador' refers to a carrier, possibly an entity or animal used for transportation.
El cargador del caballo lleva todos los suministros de la expedición.
The horse carrier carries all the supplies for the expedition.
Here, 'cargador' is used to mean a strap or something used to carry or support.
El cargador de mi mochila se rompió durante la caminata.
The strap of my backpack broke during the hike.
The term 'cargador' here refers to a device used to charge electronic items like phones.