Someone who engages in a variety of hobbies is often referred to as a "multihobbyist" or simply a "hobbyist." They may also be described as a "jack of all trades" if their interests span multiple skills or activities. This term reflects their diverse interests and willingness to explore different pursuits.
chatterbox
booser
a cab
A man.
A Krillin.
Spanish kisser
Tattletaler
a bully
If you mean someone that dreams a lot. I would call them a daydreamer, or a dreamer in general.
A person who schemes a lot is often referred to as conniving or manipulative.
Ambitious or dissatisfied with their lot.
One name for someone who likes to talk a lot is "chatterbox". An adjective for someone who likes to talk a lot would be "gossipy".