Nobody Knows MY Name -- noun, subject
is -- verb (linking)
a collection -- article + noun, predicate nominative (complement) of verb
of autobiographical essays -- adjectival prepositional phrase, modifying "collection".
by the author -- adjectival prepositional phrase, modifying "essays".
James Balwin -- noun appositive, explaining "author"
Embarrassed by my non-related comment about snowglobes: adjectival participial phrase, modifying the subject [past participle + adverbial prepositional phrase + adjectival prepositional phrase
I -- pronoun, subject
told -- verb
my friends -- possessive adjective + noun, indirect object of "told"
to forget -- infinitive, noun, direct object of "told"
what I said -- noun clause acting as the direct object of the infinitive
Staggering -- present participle, adjective, modifying the subject
the nerd -- article + noun, subject
struck -- verb
the locker -- article + noun, direct object
He -- pronoun, subject
lived and feasted -- compound verb connected by conjunction "and"
under the bridge -- adverbial prepositional phrase, modifying "lived"
on goats -- adverbial prepositional phrase, modifying "feasted"