Choose the correct relative pronoun.
our president is a man people respect.
who
whose
whom
what

Our president is a man people respect. The answer is ‘whom’.  

This is a pronoun. A pronoun is used to substitute a noun. In order for it to substitute, it must have a clear antecedent. Personal pronouns are used to substitute nouns with ownership. There are three persons point of view.1st person is when the subject is the one who is speaking (e.g. I, me, my, mine, we, us, our, ours). 2nd person is when the subject is the one being spoken to (you, your, yours). 3rd person is when the subject is the one spoken about (he, him, his, she, her, hers, it, its, they, their, theirs).