d) free or excepted from something expected of others
because the word exempt originally means free from an obligation or liability imposed on others.
personalityedit. brutus is a man torn between his love of caesar, for it was caesar who acted as a father to him, or the republic. his ancestors for more then 500 years preserve the republic and overthrew the tyrants and kings of rome and brutus saw it as his destiny to fight for the republic.
they are all nouns and can be used in that way.