This is the 9255th most frequent Spanish word.
acompañante
A companion, escort, or someone who accompanies another.
In this usage, 'acompañante' is used figuratively to describe an object, a stuffed animal, acting as a source of comfort and company.
El niño siempre llevaba a su acompañante de peluche a todos lados.
The child always took their stuffed companion everywhere.
Here, 'acompañante' denotes someone attending an event together with another person, often in a supportive role.
En la boda, la novia tenía un acompañante que era su hermano.
At the wedding, the bride had a companion who was her brother.
In this sentence, 'acompañante' refers to someone providing support and company during a recovery period.