 Union Affiliation and Jones Act mariners are closely related in terms of interaction, and the proliferation of labor unions is mainstream across the United States and the world.Seafarer's labor unions are meant to primarily protect sailors and their interests while serving as financial strongholds to support internal operations ad communication, deal in the costs of lawsuits and other court procedures, and to reward its members in various ways.The payment for these undertakings come primarily from union dues which are deducted from the paycheck of a member in the form of a percentage.