What Role Does The Bolded Pronoun Serve In The Following Sentence? I Like My Skateboard Quite A Bit, But I Like Yours Better.

What role does the bolded pronoun serve in the following sentence? I LIKE my skateboard quite a bit, but I like yours better.

 

It is an adverb of manner that serves as a verb of the sentence. A verb is.

For example, I smell like a stone.