Mich. Comp. Laws § 750.352: Molesting and disturbing persons in pursuit of occupation, vocation or avocation.

Sec. 352.

Any person or persons who shall, by threats, intimidations, or otherwise, and without authority of law, interfere with, or in any way molest, or attempt to interfere with, or in any way molest or disturb, without such authority, any person, in the quiet and peaceable pursuit of his lawful occupation, vocation or avocation, or on the way to and from such occupation, vocation or avocation, or who shall aid or abet in any such unlawful acts, shall be guilty of a misdemeanor.