A person who advocates or promotes conservation, especially of natural resources
<h2>What is a abolitionist?</h2>
Especially prior to the Civil War, a person who advocated or supported the abolition of slavery in the U.S.
A person who favors the abolition of any law or practice deemed harmful to society
<h2>What is a federalist?</h2>
Adjective:
Pertaining to or of the nature of a union of states under a central government distinct from the individual governments of the separate states, as in federal government; federal system
Of, relating to, or nothing such a central government
Noun:
An advocate of federation or federalism
A federalist
<h2>What is a optimist?</h2>
An optimistic person
A person who holds the belief or the doctrine of optimism
Optimism is usually defined as:
A disposition or tendency to look on the more favorable side of events or conditions and to expect the most favorable outcome.