No, it cannot be a preposition, which is a linking word (of, in, at, to). Brother is a noun and little is an adjective, creating a noun phrase for a younger male sibling.
The preposition "without" can be the opposite of "with" as in the examples: He went with his brother/He went without his brother.
The word "to" is definitely a preposition-- she is going to the football game tomorrow. The word "with" is also a preposition-- he is studying with his cousin and his brother. But the word "as" is more complicated; depending on how it is used, it can be a conjunction, an adverb, or a preposition. To use it as a preposition: As a teenager, John hated school.
The little brother is Doodle.
'little brother' = hermanito
Abel was this first little brother. His brother's name was Cain.
A preposition is one of those little words that you use to start off a phrase, like to, for, by, when, before and so on.
he has a little brother? since when...
sango's little brother is named kokaku
The duration of The Little Brother is 3000.0 seconds.
"Little brother" in Welsh is "brawd bach."
Sometimes a little brother can be smarter than a big brother.
you can say "nong" to a little brother or sister