Woolgatherer
Part of speech: noun
Definition: One who engages in woolgathering.
Daydreamer
Part of speech: noun
Definition: One who daydreams.A person who wastes time daydreaming of accomplishments instead of accomplishing things.
Example sentence: J. K. Rowling has said that she was bullied in school. She was a daydreamer and had her nose in books all the time, much like some of her characters today.