Whoever, being a member of a board of elections, or clerk or other employee of the board, or any other person, knowingly and willfully prevents or assists in preventing, or, by coercion, threats of bodily injury, or intimidation, prevents or attempts to prevent, a person from being registered or from changing his political enrollment in accordance with the provisions of this title, shall be fined not more than $500 or imprisoned not more than one year, or both.