Modifiers matching sailor:

• short-tempered,
• disobedient,
• principled,
• rigid,
• daring,
• dashing,
• haughty,
• heroic,
• resentful,
• defiant,
• insolent,
• brave,
• rebellious,
• unsophisticated,
• tenacious,
• spirited,
• egotistical,
• bold,
• strong,
• uneducated,
• tyrannical,
• authoritarian,
• idealistic,
• repressed,
• unsympathetic,
• commanding,
• stern,
• blasphemous,
• loyal,

Simple categories matching stern:

• person,
• outdoorsman,
• tyrant,
• criminal,
• spy,
• convict,
• teacher,
• bully,
• monk,
• hero,
• historian,
• policeman,
• mentor,
• philosopher,
• warrior,
• politician,
• wizard,
• vigilante,
• president,
• cop,
• soldier,
• emperor,
• captain,
• general,
• preacher,
• sailor,
• father,
• king,
• jewellery,
• athlete,
• guru,
• dictator,
• campaigner,
• terrorist,
• professor,
• superhero,
• heroine,
• magician,
• bureaucrat,
• robot,
• virtue,