The pronoun 'it' is a personal pronoun.
A personal pronoun is a word that takes the place of a noun for a specific person or thing.
The pronoun 'it' takes the place of a noun for a thing as the subject of a sentence or a clause, and as the objectof a verb or a preposition.
Examples:
We heard a frog croak. It sounded nearby. (subject of the second sentence)
Look in the box that it came in for instructions. (subject of the relative clause)
Our cabin is beautiful. We love it. (direct object of the verb 'love')
My education is important to me so I'm saving for it. (object of the preposition 'for')
The word 'or' is not a pronoun; or is a conjunction, a preposition, or a noun.
Whoever is a subjective pronoun.
"That" is a demonstrative pronoun. You "demonstrate" which thing you mean.
The word "me" is a pronoun that functions as an objective pronoun, used as the object of a verb or preposition, indicating the person speaking.
Their is a possessive pronoun, the third person plural. The pronoun their can be use as the subject or the object of a sentence.
The pronoun "them" is an objective case pronoun. It functions as the object of a verb or a preposition in a sentence.
The pronoun where is an interrogative pronoun, a word used to ask a question. Where takes the place of the noun that is the answer to the question. Example:Where are my keys? Your keys are on the counter.
A word that describes a noun or pronoun is an ADJECTIVE.
The word us is the first person plural objective case pronoun.
a indefinite pronoun
The pronoun 'one' is an indefinite pronoun and has no antecedent. The indefinite pronoun 'one' is a word for any person in general.In the sentences, "One should be cautious.:" the pronoun 'one' means anyone.Note: The word 'one' is also a noun and an adjective.
The word nobody is an indefinite pronoun, a word that takes the place of a noun for an unknown or unnamed person or persons.