One who opposes a specific ship or shipping in general.
One who objects to ships or shipping deemed offensive, e.g. due to incest, age differences, abusive elements, or power gaps (treating the other partner badly because they have less authority).
A person who formally opposes the current political structure, the political group in power, the policies of the political group in power, or current laws.
One who disagrees or dissents; one who separates from the established religion.
Sometimes Dissident: in the kingdom of Poland, the name for Christians not part of the Roman Catholic Church.
In a manner that disagrees; dissenting; discordant.