The word 'explorers' is not a pronoun. The word 'explorers' is a noun, the plural form of the singular noun 'explorer', a word for a person.
A pronoun is a word that takes the place of a noun in a sentence. The pronouns that take the place of the plural noun 'explorers' is they as a subject, and them as an object in a sentence.
Example: The explorers set off in early spring. They planned to travel up river with some local people to guide them.
Interrogative pronoun
The pronoun 'them' is the third person, plural, objective, personal pronoun.
It is not a pronoun it is a common noun.
Whoever is a subjective pronoun.
The kind of noun or pronoun that corresponds with myself is a reflexive pronoun. The personal pronoun that would be used in this case is 'I'. In reflexive form you would say 'myself'.
Interrogative pronoun
'than' is not a pronoun.
The pronoun 'them' is the third person, plural, objective, personal pronoun.
"Of" is not a pronoun. He, she, it, they, them, are all pronouns. "Of" is a preposition.
It is not a pronoun it is a common noun.
The word 'or' is not a pronoun; or is a conjunction, a preposition, or a noun.
Whoever is a subjective pronoun.
Video is not a pronoun, it is a common noun.
It's called a reflexive pronoun.
The pronouns in the sentence are what (an interrogative pronoun) and you (a personal pronoun).
The kind of noun or pronoun that corresponds with myself is a reflexive pronoun. The personal pronoun that would be used in this case is 'I'. In reflexive form you would say 'myself'.
"That" is a demonstrative pronoun. You "demonstrate" which thing you mean.