Michiganian is the term I've heard in use.
A Michigander. See the Related link for a double check [:
A person who studies living organisms is called a biologist.
Hostillian
a runaway
the person is called an Asian I thought you might know that.
A person who catches butterflies for a living is called a lepidopterist.
You will need witnesses to sign your living will in the state of Michigan. If you take a look at the following example of a Michigan living will in pdf format, you will see spaces for witnesses to sign near the bottom of the document. http://www.halt.org/living_wills/michigan.pdf In order for the living will to be legally binding it must be witnessed and notarized. This makes it much harder for your heirs to contest the will and claim it's illegitimate.
doppelganger.
Donations made in honor of a living person can be made "in celebration," as I have seen occasionally.
Most of them are called Israelis.
a person who makes horseshoes is called a blacksmith.
A person who donates a kidney is called a living kidney donor.