Can django-haystack filter MultiValueFields like in given example?

Can django-haystack filter MultiValueFields like in following example?:

persons = indexes.MultiValueField()

Example data:
persons = [{"name": "John", "occupation": "artist"}, {"name": "Paul", "occupation": "teacher"}]

import haystack
haystack.query.SearchQuerySet().filter(persons__occupation="teacher")

I guess no? So instead I should create a field for each occupation like so?:

teachers = indexes.MultiValueField()

Example data:
teachers = ["Paul", "Henry"]

So that I basically avoid filtering. Now I could just do, which gets all indexes where teachers is not empty:
haystack.query.SearchQuerySet().filter(teachers=Raw("*"))

Or do you recommend to use a Raw elasticsearch query with my first example too?

Start with MultiValueField and SearchQuerySet.filter, then inspect how the Elasticsearch Raw query path is exposed. Determine whether nested occupation filtering is supported; done means documenting the supported query or a clear limitation and recommended field representation.