The word "case" can be used as a noun or a verb. Example as noun: "He closed the puzzling case in a matter of minutes after the police had failed to come up with even one suspect." Example as verb: "The culprit thoroughly cased the bank but failed to steal even a single dollar."
It is the genitive or possessive case of the noun collector.
its a noun because its a person place or in this case a thing.
In this case, will is an auxiliary verb, which is the grammatical term for a 'helping' verb.
Global is an adjective, as in the case of "global confusion" or "global economy".
There is a possessive case pronoun. As usual for such pronouns, it functions as an adjective in the sentence.
The word aesthetic is an adjective. It is also a noun in the case of the study of beauty.
In this case, geranium is a noun.
The word evergreen is an adjective. It is also a noun in the case of a shrub that does not shed its leaves.
Noun. However you could class it as a adjective in the case of 'cobalt blue'.
Parlor is a noun. Nouns can be a person, place, thing, or thought. In this case it is used as a place.
The word "dreamily" is an adverb. It describes how something is done, in this case, in a dreamy manner.
In this case the word listener is referring to a person, thus it is a noun.