The pronoun 'who' is used as a subject pronoun.
The pronoun 'whom' is used as an object pronoun.

The pronouns 'who' and 'whom' are interrogative pronouns and relative pronouns.
An interrogative pronoun introduces a question.
A relative pronoun introduces a relative clause.

Examples:

Who ordered the special? (interrogative pronoun, subject of the sentence)

The man who ordered it is right there. (relative pronoun, subject of the relative clause)

With whom are you going to the prom? (interrogative pronoun, object of the preposition 'with')

The one to whom I said yes is Bill. (relative pronoun, object of the preposition 'to')

No, the word 'you' is a pronoun, specifically a personal pronoun, a word that takes the place of a noun for a specific person.

The pronoun 'you' is the second person (the one spoken to), both singular and plural and can be used as a subject or an object.

The personal pronouns are I, you, we, he, she, it, me, us, him, her, they, them.

Example uses of the pronoun 'you':

• You are a good friend. I will miss you when you go away to college. (The pronoun 'you' is taking the place of the name of the person that I'm speaking to.)
• Mom, you have a phone call. (singular, subject of the verb 'have')
• Excuse me miss, does this glove belong to you? (singular, object of the preposition 'to')
• Students, you will have two hours for the test. (plural, subject of the verb 'will')
• Jack and Jill, I can take you to the mall. (plural, direct object of the verb 'can take')

The pronoun 'who' is used as a subject pronoun.

The pronoun 'whom' is used as an object pronoun.

The pronouns 'who' and 'whom' are interrogative pronouns and relative pronouns.

An interrogative pronoun introduces a question.

A relative pronoun introduces a relative clause.

Examples:

• Who is your new math teacher? (interrogative pronoun, subject of the sentence)
• Mr. Smith whotaught science is also teaching math. (relative pronoun, subject of the relative clause)

• To whomshould I give my completed application? (interrogative pronoun, object of the preposition 'to')
• The manager is the one to whom you give the application. (relative pronoun, object of the preposition 'to')

In English there are no masculine or feminine forms. English uses gender specific nouns for male or female.

The gender specific noun for a male ruler is emperor.

The gender specific noun for a female ruler is empress.

The pronouns that take the place of the nouns 'Bernie and Ben' are they as the subject of a sentence or clause, and them as the object of a verb or a preposition.

Examples:

Bernie and Ben are expected at ten. They are coming by train. The driver will pick them up at the station.

action verb is also called a 'doing verb' and they describe what someone, say 'bob', is doing.

ex. Bob is playing with his friends.

playing is describing what bob is doing, so it is an action verb

The possessive form for the proper noun Gomez is Gomez's.

Example: The vegetables came from Mr. Gomez's garden.

No, the noun 'road' is a common noun, a general word for a type of thoroughfare; a word for any road anywhere.

A proper noun is the name or title of a specific person, place, or thing.

Example uses of the noun 'road':

common noun: The mail box is at the end of this road.

proper noun: The mail box is at the end of Mason Road.

proper noun: The name of the movies is, 'The Road To Shanghai'.

proper noun: We can meet at Murphy's Road House.

Yes, the word 'fast' is a noun as a word for a period of abstaining from food.

The word 'fast' is also a verb and an adjective.

Examples:

The fast will last two days. (noun)

We will fast to remember the ordeal of our ancestors. (verb)

He likes to drive a fast car. (adjective)

The noun form of the verb to fast is the gerund, fasting.

The noun form of the adjective fast is fastness.