fritterer
/ˈfrɪtəriˌrər/Definitions
1. noun
a person who fritters, especially a person who fritters away time or resources.
“The procrastinator was a notorious fritterer, often putting off tasks until the last minute.”
2. verb
to fritter, especially to fritter away time or resources.
“He spent his free time frittering away at video games, neglecting his studies.”