Doer vs. Thinker — What's the Difference?

One who does something

One who devotes much time to thought or meditation.

A particularly active, energetic person

One who thinks or reasons in a certain way

Someone who does, performs, or executes; an active person, an agent.

One who spends time thinking, contemplating or meditating.

One who does; one who performs or executes; one who is wont and ready to act; an actor; an agent.

An intellectual, such as a philosopher or theologian.

An agent or attorney; a factor.

(slang) The brain; the mind.

A person who acts and gets things done;

(slang) A poser; a conundrum that requires some thinking.

One who thinks; especially and chiefly, one who thinks in a particular manner; as, a close thinker; a deep thinker; a coherent thinker.

An important intellectual;

Someone who exercises the mind (usually in an effort to reach a decision)