This is the 4238th most frequent Spanish word.
mitchell
"Mitchell" is not a Spanish word; it is typically a proper noun, such as a name.
In this sentence, 'Mitchell' is used as a proper noun, specifically a surname.
El apellido de mi profesor de historia es Mitchell.
My history teacher's last name is Mitchell.
Here, 'Mitchell' is used to refer to an individual, presumably a person named Mitchell known within the context.
Mitchell se encarga de organizar el evento anual del instituto.
Mitchell is in charge of organizing the annual institute event.
In this case, 'Mitchell' refers to a person mentioned in conversation, possibly a notable figure or acquaintance relevant to football discussions.