This is the 8623rd most frequent Spanish word.
samper
The word "samper" does not exist in standard Spanish. It might be a proper noun or a misspelling.
Here, 'Samper' is used as a proper noun to represent a surname.
Samper es un apellido común en ciertas regiones.
Samper is a common surname in certain regions.
In this case, 'samper' could represent a colloquial variation or misspelling of 'muestra' or 'sampler', talking about a collection or variety of items.
Durante el festival, habrá un samper de dulces típicos.
During the festival, there will be a sampler of typical sweets.
Again, 'Samper' functions as a proper noun referring to a notable individual's name.